Chevrolet Silverado / GMC Sierra. Manual — part 2362

BRAKING ACTION UNEVEN - PULLS TO ONE SIDE

Test Description

The numbers below refer to the step numbers on the diagnostic table.

4: Suspension components that are not operating properly may cause a disturbance to the
vehicle during application of the brake system.

5: Steering components that are not operating properly may cause a disturbance to the
vehicle during application of the brake system.

8

Inspect the park brake system for proper
operation. Refer to Park Brake System
Diagnosis .
Did you find and correct a condition?

Go to Step 9

Go to Diagnostic
Starting Point -
Hydraulic
Brakes

9

1. Install or connect components that were

removed or disconnected during diagnosis.

2. Road test the vehicle in order to confirm

proper operation. Refer to Brake System
Vehicle Road Test.

Is the condition still present?

Go to Step 2

System OK

Step

Action

Yes

No

DEFINITION: Vehicle pulls to one side only when braking.

1

Were you sent here from the Hydraulic Brake
Symptom table?

Go to Step 2

Go to Diagnostic
Starting Point -
Hydraulic
Brakes

2

1. Inspect the hydraulic brake system for the

following conditions.

Kinked, pinched or damaged brake
pipe or flexible brake hose

Sticking or improperly operating
caliper piston

Brake fluid leak

2. Adjust, repair or replace components as

necessary. Refer to Hydraulic Brake

2008 Chevrolet Silverado 1500

2008 BRAKES Hydraulic Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

System Diagnosis.

Did you find and correct a condition?

Go to Step 6

Go to Step 3

3

1. Inspect the disc brake system for the

following conditions.

Contaminated linings

Glazed linings

Distorted, cracked or damaged
linings on one side

Loose, damaged or missing caliper
hardware and/or lining hardware

Incorrect linings on one side

Hard spots, heat checks, blueing
discoloration of rotor friction
surfaces; possibly due to brake drag

Glazed rotor friction surfaces

Bent or damaged caliper or mounting
component

2. Adjust, repair or replace components as

necessary. Refer to Disc Brake System
Diagnosis.

Did you find and correct a condition?

Go to Step 6

Go to Step 4

4

1. Inspect the suspension system for the

following conditions.

Incorrect tire pressures

Loose suspension component
connections

Excessively worn or damaged
suspension components

2. Adjust, repair or replace components as

necessary. Refer to Diagnostic Starting
Point - Suspension General Diagnosis .

Did you find and correct a condition?

Go to Step 6

Go to Step 5

1. Inspect the steering system for the

2008 Chevrolet Silverado 1500

2008 BRAKES Hydraulic Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

BRAKING ACTION UNEVEN - FRONT TO REAR

Test Descriptions

The number below refers to the step number on the diagnostic table.

4: Suspension components that are not operating properly may cause a disturbance to the
vehicle during application of the brake system.

5

following conditions.

Loose steering component
connections

Excessively worn or damaged
steering components

2. Adjust, repair or replace components as

necessary. Refer to Diagnostic Starting
Point - Power Steering System (w/o
Electro-Hydraulic Steering) .

Did you find and correct a condition?

Go to Step 6

Go to Diagnostic
Starting Point -
Hydraulic
Brakes

6

1. Install or connect components that were

removed or disconnected during diagnosis.

2. Road test the vehicle in order to confirm

proper operation. Refer to Brake System
Vehicle Road Test.

Is the condition still present?

Go to Step 2

System OK

Step

Action

Yes

No

DEFINITION: Braking action or stopping force sensitive or grabbing and/or more
pronounced at the front or at the rear axle. Sensitive or grabbing brakes: Excessive brake
jump-in force relative to brake pedal input.

1

Were you sent here from the Hydraulic Brake
Symptom table?

Go to Step 2

Go to Diagnostic
Starting Point -
Hydraulic
Brakes

1. Inspect the hydraulic brake system for the

following conditions:

2008 Chevrolet Silverado 1500

2008 BRAKES Hydraulic Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

2

Improper operation of caliper pistons

Kinked, pinched or damaged brake
pipe or flexible brake hose

Brake fluid leak

Improperly functioning proportion
valve, if equipped

Improper operation of dynamic rear
proportion (DRP) system, if equipped

2. Adjust, repair or replace components as

necessary. Refer to Hydraulic Brake
System Diagnosis.

Did you find and correct a condition?

Go to Step 6

Go to Step 3

3

1. Inspect the disc brake system for the

following conditions:

Contaminated linings

Glazed linings

Distorted, cracked or damaged
linings

Excessively worn linings

Aftermarket linings

Damaged or excessively worn caliper
hardware and/or lining hardware

Hard spots, heat checks, blueing
discoloration of rotor friction
surfaces

Glazed rotor friction surfaces

2. Adjust, repair or replace components as

necessary. Refer to Disc Brake System
Diagnosis.

Did you find and correct a condition?

Go to Step 6

Go to Step 4

1. Inspect the suspension system for the

following conditions:

Loose suspension component

2008 Chevrolet Silverado 1500

2008 BRAKES Hydraulic Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado