Step
|
Action
|
Yes
|
No
|
DEFINITION: Brake pedal requires an increased amount of input from
the driver to obtain good braking action and/or stopping distance
is increased.
|
1
|
Were you sent here from the Hydraulic Brake Symptom table?
|
Go to Step 2
|
-
|
2
|
|
1. |
Inspect the brake assist system for the following
conditions: |
| • |
Vacuum leaks, if equipped with vacuum power
assist |
| • |
Power steering fluid leaks, if equipped with
hydraulic power assist |
| • |
Lack of lubrication, binding or excessively worn
pushrod or pedal pivots or pivot bushings |
| • |
Bent or damaged pedal pushrod, pedal, or pedal
bracket |
| • |
Damaged or improperly operating brake booster
assembly |
Did you find and correct a condition?
|
Go to Step 5
|
Go to Step 3
|
3
|
|
1. |
Inspect the hydraulic brake system for the
following conditions: |
| • |
Binding caliper pistons |
| • |
Binding wheel cylinder pistons, if equipped |
| • |
Internally damaged flexible brake hoses; hindering
fluid flow |
| • |
External brake fluid leaks |
| • |
Kinked or damaged flexible brake hoses and/or
pipes |
| • |
Internal brake fluid leaks; improperly operating
master cylinder |
| • |
Poor brake fluid quality; low boiling point |
Did you find and correct a condition?
|
Go to Step 5
|
Go to Step 4
|
4
|
|
1. |
Inspect the disc brake system for the following
conditions: |
| • |
Excessively worn linings |
| • |
Cracked, distorted or damaged linings |
| • |
Binding, damaged or excessively worn caliper
hardware and/or lining hardware |
| • |
Lack of lubrication or excessive corrosion on
metal to metal contact surfaces |
| • |
Excessively worn or corroded rotor friction
surfaces |
| • |
Glazed rotor friction surfaces |
| • |
Hard spots, heat checks, blueing discoloration of
rotor friction surfaces |
Did you find and correct a condition?
|
Go to Step 5
|
-
|
5
|
|
1. |
Install or connect components that were removed or
disconnected during diagnosis. |
Is the condition still present?
|
Go to Step 2
|
System OK
|
