Step
| Action
| Value(s)
| Yes
| No
|
1
| Was the Hydraulic Brake Diagnostic
System Check performed?
| --
|
Go to Step 2
| Go
to
Hydraulic Brake Diagnostic System Check
.
|
2
| Inspect the brake pedal assembly for the following:
| • | Bent or misaligned components |
| • | Binding or interference between the pedal and booster input rod |
Are the components misaligned or binding?
| --
|
Go to Step 3
|
Go to Step
4
|
3
| Repair or replace the cause of misalignment, interference
or binding.
Is the repair complete?
| --
|
Go to Step
12
| --
|
4
| Inspect the disc brake pads for the following:
| • | Contaminated lining material |
| • | Incorrect lining material |
Refer to Brake Pad Inspection in Disc Brakes.
Do any of the above conditions apply?
| --
|
Go to Step 5
|
Go to Step
6
|
5
| Replace the brake linings. Refer to Brake Pad Replacement
in Disc Brakes.
Is the repair complete?
| --
|
Go to Step
12
| --
|
6
| Inspect the brake rotor for the following:
Refer to Brake Rotor Inspection in Disc Brakes.
Do any of the above conditions apply?
| --
|
Go to Step 7
|
Go to Step
8
|
7
|
- Refinish the brake rotor. Refer to Refinishing Brake Rotors in
Disc Brakes.
- If refinishing the brake rotor results in a thickness that is
less than the thinnest (Refinishing) thickness, replace the rotor. Refer to
Brake Rotor Replacement in Disc Brakes.
Is the repair complete?
| Refer to Component Specifications in Disc Brakes.
|
Go to Step 12
| --
|
8
| Check the master
cylinder outlet ports for restricted passages. Refer to Hydraulic Brake System
Bleeding.
Are the outlet ports restricted?
| --
|
Go to Step
9
|
Go to Step 10
|
9
|
- Overhaul the master cylinder. Refer to Master Cylinder Overhaul.
- Flush the hydraulic brake system. Refer to Flushing The Hydraulic
Brake System.
Is the repair complete?
| --
|
Go to Step
12
| --
|
10
| Check the brake pipes and hoses for the following:
| • | Low fluid or no fluid output |
| • | Spurting of fluid while pressing the brake pedal |
| • | Particles suspended in the fluid |
Refer to Flushing The Hydraulic Brake System.
Do any of the above conditions apply?
| --
|
Go to Step 11
| System OK
|
11
|
- Determine the area of the restriction. This will involve the disassembly
of individual brake lines and checking for low or no fluid output.
- Flush the individual brake line or hose. Refer to Flushing The
Hydraulic Brake System.
- If the restriction cannot be removed, replace the brake hose or
pipe as necessary. Refer to Front Brake Hose Replacement or Pipe Replacement
(Front)) or Rear Hose Replacement or Pipe Replacement (Rear).
- Flush the hydraulic brake system. Refer to Flushing The Hydraulic
Brake System.
Is the repair complete?
| --
|
Go to Step
12
| --
|
12
| Verify proper brake system operation.
Does the original condition still exist?
| --
| Verify customer complaint. Begin the
diagnosis again.
Go to Step 1.
| System OK
|
