Chevrolet Silverado / GMC Sierra. Service manual — part 1230

FWD AXLE SHAFTS & CV JOINTS TROUBLE SHOOTING

BASIC FWD AXLE SHAFTS & CV JOINTS TROUBLE SHOOTING CHART

Side Gear Clearance

Check Clearance

Ring and Pinion Backlash

Check Backlash

Worn/Loose Pinion Shaft

Replace Shaft/Bearing

Bad "U" Joint

Replace "U" Joint

Sticking Slip Yoke

Lube Slip Yoke

Broken Rear Axle Mount

Replace Mount

Loose Drive Shaft Flange

Check Flange

Click/Chatter On Turns

Differential Side Gear Clearance

Check Clearance

Wrong Turn On Plates

(1)

Replace Clutch Plates

Wrong Differential Lubricant

(1)

Change Lubricant

Knock Or Click

Flat Spot on Rear Wheel Bearing

Replace Wheel Bearing

Low Vibration At All Speeds

Faulty Wheel Bearing

Replace Wheel Bearing

Faulty "U" Joint

Replace "U" Joint

Faulty Drive Shaft

Balance Drive Shaft

Faulty Companion Flange

Replace Flange

Faulty Slip Yoke Flange

Replace Flange

(1)

Limited slip differential only.

NOTE:

This is GENERAL information. This article is not intended to be
specific to any unique situation or individual vehicle configuration.
The purpose of this Trouble Shooting information is to provide a list
of common causes to problem symptoms. For model-specific
Trouble Shooting, refer to SUBJECT, DIAGNOSTIC, or TESTING
articles available in the section(s) you are accessing.

CONDITION

POSSIBLE CAUSE

Grease Leaks

CV boot torn or cracked

Clicking Noise on Cornering

Damaged outer CV

Clunk Noise on Acceleration

Damaged inner CV

2008 Chevrolet Silverado 1500

GENERAL INFORMATION Trouble Shooting - Basic Procedures

STEERING & SUSPENSION

MANUAL STEERING GEAR TROUBLE SHOOTING

BASIC MANUAL STEERING GEAR TROUBLE SHOOTING CHART

Vibration or Shudder on Acceleration

Sticking, damaged or worn CV Misalignment

or spring height

NOTE:

This is GENERAL information. This article is not intended to be
specific to any unique situation or individual vehicle configuration.
The purpose of this Trouble Shooting information is to provide a list
of common causes to problem symptoms. For model-specific
Trouble Shooting, refer to SUBJECT, DIAGNOSTIC, or TESTING
articles available in the section(s) you are accessing.

CONDITION & POSSIBLE CAUSE

CORRECTION

Rattle or Chucking Noise in Rack and Pinion

Rack and pinion mounting bracket loose

Tighten all mounting bolts

Lack of/or incorrect lubricant

Correct as necessary

Steering gear mounting bolts loose

Tighten all mounting bolts

Excessive Play

Front wheel bearing improperly adjusted

See FRONT

SUSPENSION article

Loose or worn steering linkage

See STEERING

LINKAGE article

Loose or worn steering gear shift

See MANUAL

STEERING GEAR article

Steering arm loose on gear shaft

See MANUAL

STEERING GEAR article

Steering gear housing bolts loose

Tighten all mounting bolts

Steering gear adjustment too loose

See MANUAL

STEERING GEAR article

Steering arms loose on knuckles

Tighten and check steering

linkage

Rack and pinion mounting loose

Tighten all mounting bolts

Rack and pinion out of adjustment

See adjustment in

STEERING article

2008 Chevrolet Silverado 1500

GENERAL INFORMATION Trouble Shooting - Basic Procedures

Tie rod end loose

Tighten and check steering

linkage

Excessive Pitman shaft-to-ball nut lash

Repair as necessary

Poor Returnability

Lack of lubricant in ball joint or linkage

Lubricate and service

systems

Binding in linkage or ball joints

See STEERING

LINKAGE and

SUSPENSION article

Improper front end alignment

See WHEEL

ALIGNMENT article

Improper tire pressure

Inflate to proper pressure

Tie rod binding

Inflate to proper pressure

Shaft seal rubbing shaft

See STEERING

COLUMN article

Excessive Vertical Motion

Improper tire pressure

Inflate to proper pressure

Tires, wheels or rotors out of balance

Balance tires then check

wheels and rotors

Worn or faulty shock absorbers

Check and replace if

necessary

Loose tie rod ends or steering

Tighten or replace if

necessary

Loose or worn wheel bearings

See SUSPENSION article

Steering Pulls to One Side

Improper tire pressure

Inflate to proper pressure

Front tires are different sizes

Rotate or replace if

necessary

Wheel bearings not adjusted properly

See FRONT

SUSPENSION article

Bent or broken suspension components

See FRONT

SUSPENSION article

Improper wheel alignment

See WHEEL

ALIGNMENT article

Brakes dragging

See BRAKES article

Instability

2008 Chevrolet Silverado 1500

GENERAL INFORMATION Trouble Shooting - Basic Procedures

POWER STEERING TROUBLE SHOOTING

BASIC POWER STEERING TROUBLE SHOOTING CHART

Low or uneven tire pressure

Inflate to proper pressure

Loose or worn wheel bearings

See FRONT

SUSPENSION article

Loose or worn idler arm bushing

See FRONT

SUSPENSION article

Loose or worn strut bushings

See FRONT

SUSPENSION article

Incorrect front wheel alignment

See WHEEL

ALIGNMENT article

Steering gear not centered

See MANUAL

STEERING GEARS

article

Springs or shock

Check and replace if

necessary

Improper cross shaft

See MANUAL

STEERING GEARS

article

NOTE:

This is GENERAL information. This article is not intended to be
specific to any unique situation or individual vehicle configuration.
The purpose of this Trouble Shooting information is to provide a list
of common causes to problem symptoms. For model-specific
Trouble Shooting, refer to SUBJECT, DIAGNOSTIC, or TESTING
articles available in the section(s) you are accessing.

CONDITION & POSSIBLE CAUSE

CORRECTION

Rattle or Chucking Noise

Pressure hoses touching engine parts

Adjust to proper clearance

Loose Pitman shaft

Adjust or replace if

necessary

Tie rods ends or Pitman arm loose

Tighten and check system

Rack and pinion mounts loose

Tighten all mounting bolts

Free play in worm gear

See POWER STEERING

GEAR article

2008 Chevrolet Silverado 1500

GENERAL INFORMATION Trouble Shooting - Basic Procedures