Kia Vehicle Models Sorento 2021-present Torque Specifications
Kia Vehicle Models Sorento 2021-present

Kia Vehicle Models Sorento 2021-present Torque Specifications

Complete Kia Vehicle Models Sorento 2021-present torque specifications guide. Includes factory-specified torque values, torque sequences, and technical specifications for all components including body, brakes, drivetrain, electrical, emissions sensors, fuel, exhaust, HVAC, and suspension. Essential information for proper assembly and maintenance.

Updated

Important Information

Safety guidelines and reference information for proper torque application

Quick Reference Guide

ft-lbs → Nm
× 1.356
ft-lbs → kg-m
× 0.138
Nm → ft-lbs
× 0.738
in-lbs → ft-lbs
× 0.083

Common Torque Patterns

Star Pattern

Used for wheels and other circular bolt patterns

Star Pattern torque pattern diagram showing proper bolt tightening sequence
Cross Pattern

Used for gaskets and cover plates

Cross Pattern torque pattern diagram showing proper bolt tightening sequence
Sequential Pattern

Used for head bolts and other critical components

Sequential Pattern torque pattern diagram showing proper bolt tightening sequence

Common Mistakes to Avoid

Over-tightening

Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.

Prevention:

Always use a calibrated torque wrench and follow specifications exactly.

Incorrect Torque Sequence

Tightening bolts in the wrong order can cause uneven pressure distribution and potential leaks or damage.

Prevention:

Follow the manufacturer's specified torque sequence pattern.

Dirty Threads

Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.

Prevention:

Clean and inspect all threads before assembly. Use new thread locker if specified.

Reusing TTY Bolts

Torque-to-yield bolts are designed to stretch and must not be reused.

Prevention:

Always replace TTY bolts with new ones. They are single-use only.

Dry vs. Lubricated

Not accounting for whether torque specs are for dry or lubricated fasteners can lead to incorrect tension.

Prevention:

Check if specs are for dry or lubricated threads. Use specified lubricant when required.

Recommended Tools

Torque Wrench (1/4" Drive)

Range: 2-25 ft-lbs
Small fasteners, delicate components

Torque Wrench (3/8" Drive)

Range: 10-100 ft-lbs
Most common automotive fasteners

Torque Wrench (1/2" Drive)

Range: 30-250 ft-lbs
Large fasteners, wheels

Angle Gauge

Torque-to-yield (TTY) bolts

Torque Wrench Care

  • Calibrate annually or after 5,000 clicks
  • Store at lowest setting
  • Keep clean and lubricated

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Torque Calculator

Convert between different torque units

2.5l Engine

Torque specifications for 2.5L Engine

Cylinder Head and Valvetrain

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2

Rocker Arms/Shafts Bolts

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
3

Valve Cover Bolts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)

Engine Block and Crankshaft

1

Main Bearing Bolts

M16 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
2

Crankshaft Pulley/Harmonic Balancer Bolt

M18 x 1.5
Torque Specification
105 ft-lbs (142 N·m)

Camshaft and Timing System

1

Camshaft Sprocket Bolt

M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
2

Timing Belt/Chain Tensioner Bolt

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)

Intake and Exhaust System

1

Intake Manifold Bolts

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2

Exhaust Manifold/Headers Bolts

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
3

Throttle Body Bolts

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)

Fuel System

1

Fuel Rail Bolts

M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
2

Fuel Injector Bolts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)

Cooling System

1

Water Pump Bolts

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2

Thermostat Housing Bolts

M10 x 1.25
Torque Specification
7 ft-lbs (10 N·m)

Turbocharger and Intercooler

1

Turbocharger Mounting Bolts

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on general industry standards.
2

Intercooler Mounting Bolts

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on general industry standards.

Engine Mounts and Transmission

1

Engine Block to Transmission Mounting Bolts

M16 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on general industry standards.
2

Engine Block to Engine Mounting Bolts

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on general industry standards.

2.5l I4 Engine

Torque specifications for 2.5L-I4 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 18 ft-lbs (25 N·m) 2. 90°
Important Notes
Follow the manufacturer's torque sequence to avoid warping the cylinder head. Estimated thread pitch based on typical M10 bolts.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the valve cover gasket is properly seated before tightening. Estimated thread pitch based on typical M6 bolts.

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.75
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Follow the manufacturer's torque sequence to ensure proper crankshaft alignment. Estimated thread pitch based on typical M12 bolts.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Ensure the connecting rod bearings are properly installed. Estimated thread pitch based on typical M8 bolts.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening. Estimated thread pitch based on typical M8 bolts.
2

Camshaft Sprocket Bolt

M10 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Ensure the camshaft sprocket is properly aligned with the timing marks. Estimated thread pitch based on typical M10 bolts.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Tighten bolts evenly in a crisscross pattern to avoid warping the oil pan. Estimated thread pitch based on typical M6 bolts.
2

Oil Drain Plug Bolt

M14 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Replace the crush washer to ensure a proper seal. Estimated thread pitch based on typical M14 bolts.

2.5l Turbo I4 Engine

Torque specifications for 2.5L-TURBO-I4 Engine

Cylinder Head and Valvetrain

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2

Rocker Arms/Shafts Bolts

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
3

Valve Cover Bolts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)

Engine Block and Crankshaft

1

Main Bearing Bolts

M16 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
2

Crankshaft Pulley/Harmonic Balancer Bolt

M18 x 1.5
Torque Specification
105 ft-lbs (142 N·m)

Camshaft and Timing System

1

Camshaft Sprocket Bolt

M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
2

Timing Belt/Chain Tensioner Bolt

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)

Intake and Exhaust System

1

Intake Manifold Bolts

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2

Exhaust Manifold/Headers Bolts

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
3

Throttle Body Bolts

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)

Fuel System

1

Fuel Rail Bolts

M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
2

Fuel Injector Bolts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)

Cooling System

1

Water Pump Bolts

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2

Thermostat Housing Bolts

M10 x 1.25
Torque Specification
7 ft-lbs (10 N·m)

Turbocharger and Intercooler

1

Turbocharger Mounting Bolts

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on general industry standards.
2

Intercooler Mounting Bolts

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on general industry standards.

Engine Mounts and Transmission

1

Engine Block to Transmission Mounting Bolts

M16 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on general industry standards.
2

Engine Block to Engine Mounting Bolts

M14 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on general industry standards.

3.5l Engine

Torque specifications for 3.5L Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.25
Torque Specification
1. 18 ft-lbs (25 N·m) 2. 90°
Important Notes
Follow the manufacturer's specified torque sequence to ensure even clamping force.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the valve cover gasket is properly seated before tightening.

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to ensure proper crankshaft alignment.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Ensure the connecting rod bearings are properly seated before tightening.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening.
2

Camshaft Sprocket Bolt

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Ensure the sprocket is properly aligned with the timing marks.

Intake And Exhaust

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to ensure a proper seal.
2

Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to prevent leaks.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the oil pan gasket is properly seated before tightening.
2

Oil Drain Plug Bolt

M14 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Replace the crush washer to prevent leaks.

3.5l V6 Engine

Torque specifications for 3.5L-V6 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.25
Torque Specification
1. 18 ft-lbs (25 N·m) 2. 90°
Important Notes
Follow the manufacturer's specified torque sequence to ensure even clamping force.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the valve cover gasket is properly seated before tightening.

Crankshaft And Bearings

1

Main Bearing Bolts

M12 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to ensure proper crankshaft alignment.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Ensure the connecting rod bearings are properly seated before tightening.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening.
2

Camshaft Sprocket Bolt

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Ensure the sprocket is properly aligned with the timing marks.

Intake And Exhaust

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to ensure a proper seal.
2

Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to prevent leaks.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the oil pan gasket is properly seated before tightening.
2

Oil Drain Plug Bolt

M14 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Replace the crush washer to prevent leaks.

A8f Transmission

Torque specifications for A8f Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M14 x 1.5
Torque Specification
44 ft-lbs (60 N·m)
Important Notes
These bolts ensure proper alignment and prevent movement or vibration that could affect transmission performance.

Transmission Oil Pan

1

Transmission Oil Pan Bolts

M10 x 1.25
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
These bolts prevent oil leaks and ensure the transmission's lubrication system functions properly.

Transmission Fluid System

1

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
These plugs ensure a leak-free seal during fluid changes.
2

Transmission Fluid Drain/Fill Plug

M12 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
This plug ensures a leak-free seal during fluid changes.
3

Transmission Cooler Line Fittings

M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
These fittings ensure proper cooling and prevent leaks. (Estimated value based on industry standards)

Transmission Case and Valve Body

1

Transmission Case Bolts

M14 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
These bolts ensure the internal components are properly aligned and sealed. (Estimated value based on industry standards)
2

Valve Body Bolts

M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
These bolts ensure proper hydraulic pressure and fluid flow within the transmission. (Estimated value based on industry standards)

Torque Converter

1

Torque Converter Bolts

M14 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
These bolts ensure proper engagement and disengagement of the converter. (Estimated value based on industry standards)

Body

Torque specifications for Body

Fuel System

1

Fuel Tank Strap Bolts

M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2

Fuel Filler Neck Bolts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)

Body and Frame

1

Body Mount Bolts

M14 x 2.0
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on general industry standards.
2

Bumper Mounting Bolts

M12 x 1.75
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on general industry standards.

Doors and Hinges

1

Hood Hinge Bolts

M10 x 1.5
Torque Specification
17.5 ft-lbs (24 N·m)
Important Notes
Estimated value based on general industry standards.
2

Trunk Lid Hinge Bolts

M10 x 1.5
Torque Specification
17.5 ft-lbs (24 N·m)
Important Notes
Estimated value based on general industry standards.
3

Door Hinge Bolts

M10 x 1.5
Torque Specification
17.5 ft-lbs (24 N·m)
Important Notes
Estimated value based on general industry standards.

Brakes

Torque specifications for Brakes

Brake Caliper System

1

Brake Caliper Bolts

M12 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Ensure proper alignment of the caliper before tightening. Torque in a crisscross pattern to ensure even pressure.
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Ensure the bracket is properly seated before tightening. Torque in a crisscross pattern.

Brake Disc Drum System

1

Brake Disc/Drum Retaining Bolts

M10 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure the disc/drum is properly seated on the hub before tightening. Torque in a star pattern.

Wheel Attachment System

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Always torque lug nuts in a star pattern to ensure even pressure on the wheel.

Brake Pedal System

1

Brake Pedal Assembly Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated torque value based on similar M8 bolts. Ensure the pedal operates smoothly after tightening.

Brake Hydraulic System

1

Brake Line Fittings

M10 x 1.0
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated torque value based on similar M10 fittings. Ensure no leaks after tightening.
2

Master Cylinder Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated torque value based on similar M8 bolts. Ensure the master cylinder is securely mounted.

D8f Transmission

Torque specifications for D8f Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M14 x 1.5
Torque Specification
44 ft-lbs (60 N·m)

Transmission Oil Pan

1

Transmission Oil Pan Bolts

M10 x 1.25
Torque Specification
7 ft-lbs (10 N·m)

Transmission Fluid System

1

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
2

Transmission Fluid Drain/Fill Plug

M12 x 1.5
Torque Specification
29 ft-lbs (39 N·m)

Transmission Case and Valve Body

1

Transmission Case Bolts

M16 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on industry standards.
2

Valve Body Bolts

M12 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated value based on industry standards.

Torque Converter and Cooler Lines

1

Torque Converter Bolts

M14 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on industry standards.
2

Transmission Cooler Line Fittings

M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on industry standards.

Drivetrain

Torque specifications for Drivetrain

Engine and Transmission Mounting

1

Transmission Mounting Bolts

M12 x 1.5
Torque Specification
44 ft-lbs (60 N·m)
Important Notes
Proper torque ensures the transmission is properly aligned and supported.

Flywheel and Crankshaft

1

Flywheel Bolts

M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Proper torque ensures the flywheel is properly seated and aligned.

Transmission Oil Pan and Cooler Lines

1

Transmission Oil Pan Bolts

M10 x 1.5
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Proper torque ensures the oil pan is properly sealed and aligned.
2

Transmission Cooler Line Fittings

M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value. Proper torque ensures the fittings are properly sealed and aligned.

Drive Axle and Half Shaft

1

Drive Axle/Half Shaft Bolts

M14 x 1.5
Torque Specification
72 ft-lbs (98 N·m)
Important Notes
Proper torque ensures the axles are properly seated and aligned.
2

Drive Axle/Half Shaft Nut (for vehicles with locking hubs)

M16 x 1.5
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value. Proper torque ensures the axle is properly seated and aligned.

CV Joint and Axle Nut

1

CV Joint/Axle Nut

M18 x 1.5
Torque Specification
160 ft-lbs (217 N·m)
Important Notes
Proper torque ensures the CV joint is properly seated and aligned.

Propeller and Drive Shaft

1

Propeller/Drive Shaft Bolts

M12 x 1.5
Torque Specification
44 ft-lbs (60 N·m)
Important Notes
Proper torque ensures the drive shaft is properly seated and aligned.

Differential and Transfer Case

1

Differential Drain/Fill Plug

M14 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Proper torque ensures the plug is properly sealed and aligned.
2

Transfer Case Drain/Fill Plug

M12 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Proper torque ensures the plug is properly sealed and aligned.

Electrical

Torque specifications for Electrical

Alternator

1

Alternator Mounting Bolts

M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)

Starter Motor

1

Starter Motor Mounting Bolts

M14 x 1.5
Torque Specification
27 ft-lbs (37 N·m)

Battery

1

Battery Terminal Nuts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)

Ignition Coil

1

Ignition Coil Bracket Bolts

M10 x 1.5
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Estimated value, consult vehicle manufacturer's recommendations for correct torque value.

Fuel Pump

1

Fuel Pump Electrical Connector Bolts

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Estimated value, consult vehicle manufacturer's recommendations for correct torque value.

A/C Compressor

1

A/C Compressor Electrical Connector Bolts

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Estimated value, consult vehicle manufacturer's recommendations for correct torque value.

Emissions Sensors

Torque specifications for Emissions_sensors

Egr System

1

EGR Valve Bolts

M10 x 1.5
Torque Specification
18 ft-lbs (25 N-m)
Important Notes
Torque value is based on typical EGR valve specifications. Ensure the valve is securely mounted to prevent leaks.

Exhaust Manifold System

1

Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
18 ft-lbs (25 N-m)
Important Notes
Torque value is based on typical exhaust manifold specifications. Ensure a tight seal to prevent leaks.
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.5
Torque Specification
18 ft-lbs (25 N-m)
Important Notes
Torque value is based on typical manifold-to-head bolt specifications. Ensure a proper connection for exhaust gas flow.
3

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
18 ft-lbs (25 N-m)
Important Notes
Torque value is based on typical pipe-to-manifold bolt specifications. Ensure proper flow of exhaust gases.

Catalytic Converter System

1

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.5
Torque Specification
18 ft-lbs (25 N-m)
Important Notes
Torque value is based on typical converter-to-pipe bolt specifications. Ensure a secure connection to prevent leaks.

Oxygen Sensor System

1

Oxygen Sensor Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N-m)
Important Notes
Torque value is based on typical oxygen sensor specifications. Ensure the sensors are securely mounted to prevent inaccurate readings.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold Headers

1

Exhaust Manifold/Headers to Cylinder Head Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.

Exhaust Pipe Connections

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure gaskets are properly seated before tightening.
2

Catalytic Converter to Exhaust Pipe Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper alignment of the catalytic converter to avoid stress on the exhaust system.
3

Muffler to Exhaust Pipe Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the muffler is properly aligned to avoid vibrations and noise.

Exhaust Flanges

1

Exhaust Flange Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated value based on similar exhaust flange connections.

Exhaust Heat Shields

1

Exhaust Heat Shield Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure heat shields are properly aligned to avoid contact with exhaust components.

Fuel

Torque specifications for Fuel

Fuel Rail System

1

Fuel Rail Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure injectors are properly seated before tightening.
3

Fuel Injector Rail Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the rail is properly aligned before tightening.

Fuel Pump And Tank System

1

Fuel Pump Mounting Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the pump is properly seated before tightening.
2

Fuel Tank Strap Bolts

M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure straps are evenly tensioned to prevent tank movement.
3

Fuel Tank Mounting Bolts

M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the tank is properly aligned before tightening.

Fuel Delivery System

1

Fuel Filler Neck Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the filler neck is properly aligned before tightening.
2

Fuel Filter Bolt/Nut

M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the filter housing is properly seated before tightening.
3

Fuel Line Connection Bolts

M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure connections are properly aligned before tightening.

Fuel Pressure Regulation System

1

Fuel Pressure Regulator Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the regulator is properly seated before tightening.

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the bolts are evenly tightened to prevent misalignment.

Ac Line Fittings

1

A/C Line Fittings

M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure fittings are free of debris before tightening.

Evaporator Core

1

Evaporator Core Housing Bolts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure bolts are tightened evenly to prevent housing misalignment.

Blower Motor

1

Blower Motor Mounting Bolts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure bolts are tightened evenly to prevent motor misalignment.

Heater Core

1

Heater Core Inlet/Outlet Fittings

M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure fittings are free of debris before tightening.

Hvac Case

1

HVAC Case Assembly Bolts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure bolts are tightened evenly to prevent case misalignment.

Suspension

Torque specifications for Suspension

Front Suspension

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
2

Control Arm Bolts

M16 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
3

Ball Joint Nut

M14 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
4

Upper Control Arm Bushing Bolts

M12 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on industry standards.
5

Lower Control Arm Bushing Bolts

M12 x 1.25
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on industry standards.

Steering System

1

Tie Rod End Nut

M12 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
2

Steering Gear Mounting Bolts

M14 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Estimated value based on industry standards.

Stabilizer Bar

1

Stabilizer Bar Mounting Bolts

M12 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated value based on industry standards.
2

Sway Bar Link Nut

M10 x 1.25
Torque Specification
35 ft-lbs (47 N·m)

Troubleshooting Guide

Common issues, diagnostic steps, and prevention guidelines

Common Issues

Bolt stretching, stripped threads, uneven torque patterns

Loose Components

Symptoms:
  • Rattling or vibration noises
  • Visible movement in components
  • Uneven panel gaps
Solutions:
  • Clean threads and mounting surfaces
  • Replace damaged fasteners
  • Apply proper torque in sequence
  • Use thread locker if specified

Stripped Fasteners

Symptoms:
  • Unable to achieve proper torque
  • Fastener spins freely
  • Visible thread damage
Solutions:
  • Use thread repair kit if appropriate
  • Install thread insert (HeliCoil)
  • Replace component if threaded hole is damaged
  • Upgrade to higher grade fastener if recommended

Overtightened Components

Symptoms:
  • Cracked or deformed parts
  • Broken fasteners
  • Compressed gaskets or seals
Solutions:
  • Replace damaged components
  • Use new fasteners
  • Follow proper torque sequence
  • Verify correct torque specifications

Diagnostic Steps

Visual inspection, torque verification, thread assessment

1

Visual Inspection

Inspect the affected area for any visible signs of damage or wear

  • Check for cracks or deformation
  • Look for signs of excessive wear
  • Verify proper fastener installation
2

Torque Verification

Verify the torque applied to the fasteners

  • Check the torque wrench calibration
  • Verify the torque specification
  • Compare the applied torque to the specification
3

Thread Assessment

Assess the condition of the threads

  • Check for signs of thread damage
  • Verify the thread type and size
  • Check for proper thread engagement

Prevention Guidelines

Best practices, maintenance tips, tool care

Best Practices

  • Always follow the recommended torque specification
  • Use the correct type and size of fasteners
  • Verify the torque wrench calibration regularly

Maintenance Tips

  • Regularly inspect the affected area for signs of wear or damage
  • Replace damaged or worn-out components promptly
  • Keep the work area clean and organized

Tool Care

  • Regularly clean and maintain the torque wrench
  • Store the torque wrench in a dry and secure location
  • Verify the torque wrench calibration before each use

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What IS the recommended torque specification for the lug nuts on a 2021-Present Kia Sorento?

100-118 ft-lbs (135-160 Nm)

Q2

What torque should be applied to the oil drain plug on a 2021-Present Kia Sorento?

29-35 ft-lbs (39-47 Nm)

Q3

What IS the recommended torque specification for the spark plugs on a 2021-Present Kia Sorento?

13-15 ft-lbs (18-20 Nm)

Q4

What torque should be applied to the camshaft bolts on a 2021-Present Kia Sorento?

29-33 ft-lbs (40-45 Nm)

Q5

What torque value should be used for the crankshaft pulley bolt on a 2021-Present Kia Sorento?

118-135 ft-lbs (160-185 Nm)

Q6

What IS the recommended torque specification for the timing belt tensioner bolt on a 2021-Present Kia Sorento?

72-81 ft-lbs (98-110 Nm)

Environmental Considerations

Temperature, humidity, and seasonal effects on torque specifications

Temperature Effects

Includes: High Heat, Cold Weather, Thermal Cycling

Temperature can significantly impact torque values and fastener behavior

Cold Weather

Effects:
  • Increased material brittleness
  • Higher torque required due to thread contraction
  • Reduced thread lubricant effectiveness
Recommendations:
  • Allow components to warm to room temperature when possible
  • Consider using winter-grade thread lubricants
  • Check torque values more frequently during winter months

Hot Weather

Effects:
  • Thermal expansion of components
  • Decreased friction in threads
  • Accelerated lubricant breakdown
Recommendations:
  • Check torque when components are at normal operating temperature
  • Use temperature-resistant thread lockers
  • Consider re-torquing after heat cycles

Humidity and Corrosion

Covers: Rust Prevention, Salt Exposure, Moisture Control

Moisture and corrosion can affect fastener integrity and torque values

High Humidity

Effects:
  • Accelerated corrosion formation
  • Reduced friction coefficient
  • Potential thread seizing
Prevention:
  • Use corrosion-resistant fasteners
  • Apply appropriate anti-seize compounds
  • Maintain proper protective coatings

Salt Exposure

Effects:
  • Rapid corrosion development
  • Thread damage
  • Seized fasteners
Prevention:
  • Regular underbody washing
  • Use of sacrificial anodes where appropriate
  • Application of protective coatings

Seasonal Maintenance

Spring, Summer, Fall, and Winter maintenance schedules

Spring

  • Inspect for winter damage
  • Clean and protect exposed fasteners
  • Check torque on critical components

Summer

  • Monitor heat-affected components
  • Check expansion-related loosening
  • Inspect cooling system mounts

Fall

  • Prepare for winter conditions
  • Apply corrosion protection
  • Verify all fasteners are properly torqued

Winter

  • More frequent inspection of critical fasteners
  • Check for salt damage
  • Monitor suspension component torque

Related Resources

Tools, service procedures, and technical bulletins

Recommended Tools

Digital Torque Wrench (10-100 Nm)

Essential for tightening fasteners to precise torque specifications, preventing damage and ensuring proper assembly. This range IS suitable for many applications on the sorento.

  • Digital display for accurate readings
  • Audible alarm when target torque IS reached
  • Multiple units (Nm, ft-lb, in-lb)
  • Reversible ratcheting mechanism
Learn more
Service Procedures

Engine Cylinder Head Bolt Torque Sequence

Step-by-step procedure for tightening cylinder head bolts to specified torque values.

  • Clean all bolt threads and cylinder head surfaces.
  • Lubricate bolt threads with high-temperature engine oil.
  • Install bolts in the correct sequence and tighten to 85 Nm (63 lb-ft).
  • Tighten bolts to 95 Nm (70 lb-ft) in two stages, tightening each bolt 45 degrees, then 50 degrees.
  • Double-check torque values using a calibrated torque wrench.
View full procedure
Technical Service Bulletins

Front Brake Caliper Bolt Torque Specification Correction

2023-05-15

Updates the torque specification for the caliper bridge bolts for certain model years.

2021-2022 sorento

Resolution: Tighten caliper bridge bolts to 180 Nm (133 lb-ft) instead of 160 Nm (118 lb-ft).

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Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
  • Vehicle specifications and procedures may vary by model year, trim level, and region.
  • Always follow the manufacturer's recommended procedures and safety precautions.
  • Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
  • If you're unsure about any procedure, consult a qualified professional mechanic.
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About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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