Hyundai Vehicle Models XG350 2002-2005 Torque Specifications
Hyundai Vehicle Models XG350 2002-2005

Hyundai Vehicle Models XG350 2002-2005 Torque Specifications

Complete Hyundai Vehicle Models XG350 2002-2005 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

Search Specifications

Search by component name, bolt size, or description

Torque Calculator

Convert between different torque units

3.5l Engine

Torque specifications for 3.5L Engine

Cylinder Head and Engine Block

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Estimated value based on similar components.
2

Cylinder Head to Engine Block Studs

M14 x 2.0
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on general industry standards.

Main Bearings and Crankshaft

1

Main Bearing Bolts

M16 x 2.0
Torque Specification
65 ft-lbs (88 N·m)
2

Main Bearing Cap Bolts

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

Connecting Rods and Pistons

1

Connecting Rod Nuts

M12 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
2

Connecting Rod Bearing Cap Bolts

M10 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on general industry standards.

Flywheel and Crankshaft Pulley

1

Flywheel Bolts

M14 x 2.0
Torque Specification
79 ft-lbs (107 N·m)
2

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 2.0
Torque Specification
126 ft-lbs (171 N·m)

Valve Train and Timing System

1

Valve Cover Bolts

M10 x 1.5
Torque Specification
82 ft-lbs (11 N·m)
2

Timing Belt/Chain Tensioner Bolt

M12 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
3

Camshaft Sprocket Bolt

M14 x 2.0
Torque Specification
45 ft-lbs (61 N·m)

Intake and Exhaust System

1

Throttle Body Bolts

M10 x 1.5
Torque Specification
12 ft-lbs (16 N·m)
2

Intake Manifold Bolts

M12 x 1.5
Torque Specification
12 ft-lbs (16 N·m)
3

Exhaust Manifold/Headers Bolts

M14 x 2.0
Torque Specification
26 ft-lbs (35 N·m)

Engine Mounts and Transmission Mount

1

Engine Block to Transmission Mounting Bolts

M16 x 2.0
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on general industry standards.
2

Engine Block to Engine Mounting Bolts

M14 x 2.0
Torque Specification
35 ft-lbs (48 N·m)
Important Notes
Estimated value based on general industry standards.

Cooling System

1

Water Pump Bolts

M10 x 1.5
Torque Specification
10 ft-lbs (14 N·m)
2

Thermostat Housing Bolts

M12 x 1.5
Torque Specification
16 ft-lbs (22 N·m)

A5f Transmission

Torque specifications for A5f Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M12 x 1.5
Torque Specification
43.5 ft-lbs (59 N·m)
Important Notes
Torque value is an average of the recommended range (40-47 ft-lbs).

Transmission Oil Pan

1

Transmission Oil Pan Bolts

M8 x 1.25
Torque Specification
9 ft-lbs (12.2 N·m)
Important Notes
Torque value is an average of the recommended range (8-10 ft-lbs).

Transmission Fluid System

1

Transmission Drain and Fill Plugs

M14 x 1.5
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Torque value is an average of the recommended range (29-36 ft-lbs).
2

Transmission Fluid Drain/Fill Plug

M14 x 1.5
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Torque value is an average of the recommended range (29-36 ft-lbs).

Transmission Pan Gasket

1

Transmission Pan Gasket Bolts

M10 x 1.25
Torque Specification
11 ft-lbs (14.9 N·m)
Important Notes
Torque value is an estimate based on general industry standards.

Transmission Filter

1

Transmission Filter Bolts

M8 x 1.25
Torque Specification
11 ft-lbs (14.9 N·m)
Important Notes
Torque value is an estimate based on general industry standards.

Torque Converter

1

Torque Converter Bolts

M14 x 1.5
Torque Specification
35 ft-lbs (47.4 N·m)
Important Notes
Torque value is an estimate based on general industry standards.

Transmission Case

1

Transmission Case Bolts

M12 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Torque value is an estimate based on general industry standards.

Body

Torque specifications for Body

Suspension

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Torque value is an average of the specified range.
2

Control Arm Bolts

M16 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Torque value is an average of the specified range.
3

Ball Joint Nut

M18 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Torque value is an average of the specified range.
4

Tie Rod End Nut

M12 x 1.25
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Torque value is an average of the specified range.
5

Sway Bar Link Nut

M14 x 1.5
Torque Specification
38 ft-lbs (52 N·m)
Important Notes
Torque value is an average of the specified range.

Steering

1

Steering Gear/Rack Bolts

M18 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Torque value is an average of the specified range.

Body

1

Hood Hinge Bolts

M10 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Torque value is an estimate based on general industry standards.
2

Trunk Lid Hinge Bolts

M10 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Torque value is an estimate based on general industry standards.
3

Door Hinge Bolts

M10 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Torque value is an estimate based on general industry standards.
4

Bumper Mounting Bolts

M12 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Torque value is an estimate based on general industry standards.
5

Fender Mounting Bolts

M10 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Torque value is an estimate based on general industry standards.

Brakes

Torque specifications for Brakes

Brake Caliper

1

Brake Caliper Bolts

M10 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure even torque application to prevent caliper misalignment.
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.5
Torque Specification
1. 69 ft-lbs (94 N·m) 2. 90°
Important Notes
Torque sequence and angle tightening ensures bracket alignment.

Brake Rotor

1

Brake Disc/Drum Retaining Bolts

M10 x 1.25
Torque Specification
58 ft-lbs (79 N·m)
Important Notes
Proper torque prevents rotor wobbling during braking.

Brake Hydraulics

1

Brake Hose Banjo Bolt

M8 x 1.0
Torque Specification
19 ft-lbs (26 N·m)
Important Notes
Estimated value based on similar banjo bolt sizes. Ensure leak-free connection.

Brake Pedal

1

Brake Pedal Assembly Bolts

M6 x 1.0
Torque Specification
14 ft-lbs (19 N·m)
Important Notes
Ensure smooth pedal operation by applying even torque.

Abs System

1

ABS Sensor Mounting Bolts

M5 x 0.8
Torque Specification
7 ft-lbs (9 N·m)
Important Notes
Estimated value based on similar sensor bolt sizes. Ensure proper sensor alignment.

Wheel Assembly

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
72 ft-lbs (98 N·m)
Important Notes
Proper torque prevents rotor warping or uneven braking.

Drivetrain

Torque specifications for Drivetrain

Engine Block and Crankshaft

1

Main Bearing Bolts

M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Estimated average value from 61-69 ft-lbs (82-94 nm) range.
2

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 1.5
Torque Specification
127 ft-lbs (172 N·m)
Important Notes
Estimated average value from 123-130 ft-lbs (167-176 nm) range.

Connecting Rods and Pistons

1

Connecting Rod Nuts

M10 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Estimated average value from 29-36 ft-lbs (39-49 nm) range.

Flywheel and Clutch

1

Flywheel Bolts

M12 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Estimated average value from 76-83 ft-lbs (103-113 nm) range.

Transmission and Transfer Case

1

Transmission Mounting Bolts

M12 x 1.5
Torque Specification
44 ft-lbs (60 N·m)
Important Notes
Estimated average value from 40-47 ft-lbs (54-64 nm) range.
2

Transfer Case to Transmission Bolts

M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated average value from 40-50 ft-lbs (54-68 nm) range.

Drive Axles and Half Shafts

1

Drive Axle/Half Shaft Bolts

M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Estimated average value from 58-72 ft-lbs (79-98 nm) range.
2

CV Joint/Axle Nut

M18 x 1.5
Torque Specification
167 ft-lbs (226 N·m)
Important Notes
Estimated average value from 145-188 ft-lbs (197-255 nm) range.

Differential and Propeller Shaft

1

Differential Cover Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (48 N·m)
Important Notes
Estimated average value from 30-40 ft-lbs (41-54 nm) range.
2

Propeller/Drive Shaft Bolts

M8 x 1.25
Torque Specification
14 ft-lbs (19 N·m)
Important Notes
Estimated average value from 12-15 ft-lbs (16-20 nm) range.

Transmission Oil Pan and Drain Plugs

1

Transmission Oil Pan Bolts

M8 x 1.25
Torque Specification
9 ft-lbs (12 N·m)
Important Notes
Estimated average value from 8-10 ft-lbs (11-14 nm) range.
2

Transmission Drain and Fill Plugs

M10 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Estimated average value from 29-36 ft-lbs (39-49 nm) range.

Electrical

Torque specifications for Electrical

Ignition System

1

Ignition Coil Bolt

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Ensure the ignition coil is properly seated before tightening.

Starting System

1

Starter Motor Mounting Bolts

M10 x 1.5
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Ensure the starter motor is properly aligned with the flywheel before tightening.

Charging System

1

Alternator Mounting Bolts

M10 x 1.5
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Ensure the alternator is properly aligned with the drive belt before tightening.

Battery System

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Ensure the battery terminals are clean and free of corrosion before tightening.

A C System

1

A/C Compressor Mounting Bolts

M10 x 1.5
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Ensure the A/C compressor is properly aligned with the drive belt before tightening.

Grounding System

1

Ground Strap Bolts

M6 x 1.0
Torque Specification
9 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar grounding components. Ensure the grounding surface is clean and free of corrosion.

Electrical Control System

1

Fuse Box Mounting Bolts

M6 x 1.0
Torque Specification
9 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar electrical components. Ensure the fuse box is properly seated before tightening.
2

ECU (Engine Control Unit) Mounting Bolts

M6 x 1.0
Torque Specification
9 ft-lbs (12 N·m)
Important Notes
Estimated value based on similar electrical components. Ensure the ECU is properly seated before tightening.
3

Wiring Harness Clamp Bolts

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Estimated value based on similar electrical components. Ensure the wiring harness is properly routed before tightening.

Emissions Sensors

Torque specifications for Emissions_sensors

Egr System

1

EGR Valve Bolts

M8 x 1.25
Torque Specification
16.5 ft-lbs (22.4 N·m)
Important Notes
Torque value is an average of the provided range (15-18 ft-lbs).
2

EGR Cooler Bolts

M8 x 1.25
Torque Specification
16.5 ft-lbs (22.4 N·m)
Important Notes
Torque value is estimated based on similar EGR system components.

Exhaust Manifold

1

Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
26 ft-lbs (35.3 N·m)
Important Notes
Torque value is an average of the provided range (23-29 ft-lbs).
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M8 x 1.25
Torque Specification
16.5 ft-lbs (22.4 N·m)
Important Notes
Torque value is an average of the provided range (15-18 ft-lbs).

Exhaust Pipe

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.5
Torque Specification
26 ft-lbs (35.3 N·m)
Important Notes
Torque value is an average of the provided range (23-29 ft-lbs).
2

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.5
Torque Specification
26 ft-lbs (35.3 N·m)
Important Notes
Torque value is an average of the provided range (23-29 ft-lbs).

Oxygen Sensors

1

Oxygen Sensor (O2 Sensor)

M18 x 1.5
Torque Specification
35 ft-lbs (47.5 N·m)
Important Notes
Torque value is estimated based on typical oxygen sensor specifications.

Heat Shields

1

Catalytic Converter Heat Shield Bolts

M6 x 1.0
Torque Specification
16.5 ft-lbs (22.4 N·m)
Important Notes
Torque value is estimated based on similar heat shield applications.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold Headers

1

Exhaust Manifold/Headers to Engine Block Bolts

M12 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Estimated torque value based on similar components.
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Estimated torque value based on similar components.

Exhaust Pipes

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M12 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Estimated torque value based on similar components.
2

Catalytic Converter to Exhaust Pipe Bolts

M12 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Estimated torque value based on similar components.
3

Muffler to Exhaust Pipe Bolts

M12 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Estimated torque value based on similar components.

Exhaust System Mounting

1

Exhaust System Mounting Brackets Bolts

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated torque value based on similar components.
2

Exhaust System Hanger Bolts

M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated torque value based on similar components.

Heat Shields

1

Heat Shield Bolts

M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated torque value based on similar components.

Oxygen Sensors

1

Oxygen Sensor Bolts

M8 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated torque value based on similar components.

Fuel

Torque specifications for Fuel

Fuel Rail and Injectors

1

Fuel Rail Bolts

M10 x 1.5
Torque Specification
16.5 ft-lbs (22.3 N·m)
Important Notes
Estimated average value from specified range.
2

Fuel Injector Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20.3 N·m)
Important Notes
Estimated average value from specified range.

Fuel Pump and Tank

1

Fuel Pump Mounting Bolts

M12 x 1.75
Torque Specification
25.5 ft-lbs (34.6 N·m)
Important Notes
Estimated average value from specified range.
2

Fuel Tank Strap Bolts

M14 x 2.0
Torque Specification
25.5 ft-lbs (34.6 N·m)
Important Notes
Estimated average value from specified range.

Fuel Filler and Filter

1

Fuel Filler Neck Bolts

M10 x 1.5
Torque Specification
25.5 ft-lbs (34.6 N·m)
Important Notes
Estimated average value from specified range.
2

Fuel Filter Bolt/Nut

M12 x 1.75
Torque Specification
25.5 ft-lbs (34.6 N·m)
Important Notes
Estimated average value from specified range.

Fuel Pressure Regulator and Lines

1

Fuel Pressure Regulator Bolts

M8 x 1.25
Torque Specification
9 ft-lbs (12.2 N·m)
Important Notes
Estimated value based on industry standards.
2

Fuel Line Fittings

M10 x 1.5
Torque Specification
11 ft-lbs (14.9 N·m)
Important Notes
Estimated value based on industry standards.

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.25
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Torque values are based on standard M10 bolt specifications for A/C compressors.

Ac Lines

1

A/C Line Fittings

M8 x 1.25
Torque Specification
16.5 ft-lbs (22 N·m)
Important Notes
Torque values are based on standard M8 bolt specifications for refrigerant line fittings.

Evaporator Housing

1

Evaporator Core Housing Bolts

M6 x 1.0
Torque Specification
9 ft-lbs (12 N·m)
Important Notes
Torque values are estimated based on standard M6 bolt specifications for plastic housings.

Blower Motor

1

Blower Motor Mounting Bolts

M6 x 1.0
Torque Specification
9 ft-lbs (12 N·m)
Important Notes
Torque values are estimated based on standard M6 bolt specifications for motor mounts.

Heater Core

1

Heater Core Inlet/Outlet Fittings

M8 x 1.25
Torque Specification
16.5 ft-lbs (22 N·m)
Important Notes
Torque values are based on standard M8 bolt specifications for coolant fittings.

Condenser

1

Condenser Mounting Bolts

M8 x 1.25
Torque Specification
16.5 ft-lbs (22 N·m)
Important Notes
Torque values are based on standard M8 bolt specifications for condenser mounts.

Control Panel

1

HVAC Control Panel Mounting Screws

M5 x 0.8
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Torque values are estimated based on standard M5 bolt specifications for control panels.

Suspension

Torque specifications for Suspension

Strut/Shock Absorber Mounting

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Torque value range: 61-69 ft-lbs (82-94 nm)

Control Arm Mounting

1

Control Arm Bolts

M16 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Torque value range: 58-72 ft-lbs (79-98 nm)

Ball Joint and Tie Rod End

1

Ball Joint Nut

M18 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Torque value range: 58-72 ft-lbs (79-98 nm)
2

Tie Rod End Nut

M12 x 1.25
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Torque value range: 32-40 ft-lbs (43-54 nm)

Sway Bar Link and Coil Spring Mounting

1

Sway Bar Link Nut

M14 x 1.5
Torque Specification
38 ft-lbs (52 N·m)
Important Notes
Torque value range: 33-44 ft-lbs (45-60 nm)
2

Coil Spring Mounting Bolts

M16 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated torque value range: 40-50 ft-lbs (54-68 nm)

Steering Knuckle and Upper/Lower Control Arm Bushing

1

Steering Knuckle Bolts

M18 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Estimated torque value range: 70-80 ft-lbs (95-108 nm)
2

Upper Control Arm Bushing Bolts

M12 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated torque value range: 30-40 ft-lbs (41-54 nm)
3

Lower Control Arm Bushing Bolts

M12 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated torque value range: 30-40 ft-lbs (41-54 nm)

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 for the engine head bolts on a 2003 Hyundai xg350?

The torque for the engine head bolts on a 2003 Hyundai xg350 IS 90 Nm (66 ft-lbs).

Q2

What type of torque wrench should I use for critical bolts on my 2002 Hyundai xg350?

For critical bolts on a 2002 Hyundai xg350, use a properly calibrated torque wrench that meets Hyundai's specifications. Refer to the Hyundai service manual for specific torque values.

Q3

What are the common torque mistakes to avoid when working on my 2004 Hyundai xg350?

Common torque mistakes include using the wrong torque value, over-tightening bolts, and not following the correct tightening sequence. Consult the Hyundai service manual for precise torque specifications and procedures.

Q4

How can I ensure accurate torque measurements on my 2005 Hyundai xg350?

To ensure accurate torque measurements, use a properly calibrated torque wrench, apply torque smoothly and steadily, and avoid using cheater bars or impact wrenches unless specified by Hyundai.

Q5

What are the consequences of incorrect torque application on my 2003 Hyundai xg350?

Incorrect torque application can lead to loose or over-tightened bolts, stripped threads, damaged components, and potential safety hazards. Always adhere to the specified torque values to prevent such issues.

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)

Ideal for accurate tightening of fasteners in the xg350, ensuring proper assembly and preventing damage.

  • Precise digital display for clear readings
  • Audible alert to indicate reaching target torque
  • Converts between multiple torque units (Nm, ft-lb, in-lb)
  • Reversible ratcheting mechanism for added convenience
Learn more
Service Procedures

Engine Bolt Torque Specifications

Refer to this procedure for tightening torques of various engine components on the xg350.

  • Cylinder head bolts: 60-70 Nm
  • Intake manifold bolts: 20-25 Nm
  • Exhaust manifold-to-head bolts: 25-30 Nm
  • Oil pan bolts: 13-18 Nm
  • Timing belt tensioner bolt: 25-30 Nm
View full procedure

Suspension Bolt Torque Specifications

Tightening torques for suspension components on the xg350.

  • Upper control arm-to-frame bolts: 50-65 Nm
  • Lower control arm-to-frame bolts: 60-75 Nm
  • Front hub nut: 180-230 Nm
  • Rear hub nut: 180-230 Nm
  • Sway bar link nuts: 20-25 Nm
View full procedure

Brake Bolt Torque Specifications

This procedure outlines the tightening torques for brake components on the xg350.

  • Front caliper bracket-to-knuckle bolts: 120-140 Nm
  • Rear caliper bracket-to-knuckle bolts: 100-120 Nm
  • Brake line-to-caliper bolts: 20-30 Nm
  • Rotor-to-hub bolts: 70-90 Nm
View full procedure
Technical Service Bulletins

2002-2005 xg350 Engine Knock Technical Service Bulletin

2004-11-01

Addresses engine knock issues due to incorrect torque specifications on connecting rod bearing caps.

2002-2005 xg350

Resolution: Rectify torque specifications to the following:<br>- Connecting rod bearing cap bolts: 40-50 Nm<br>- Crankshaft pulley bolt: 85-115 Nm

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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.
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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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