Step | Action | Value(s) | Yes | No | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Tools Required
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DEFINITION: Excessive Brake Pedal Travel | ||||||||||||||||
1 | Was the Hydraulic Brake Diagnostic System Check performed? | -- | Go to Step 2 | |||||||||||||
2 | Inspect the disc brake pads and brake shoe linings for the following:
Refer to Brake Pad Inspection in Disc Brake or Brake Shoe Inspection in Drum Brakes. Do any of the above conditions apply? | -- | Go to Step 3 | Go to Step 4 | ||||||||||||
3 | Replace the brake linings. Refer to Brake Pads Replacement in Disc Brakes or Brake Lining Replacement in Drum Brakes. Is the repair complete? | -- | Go to Step 22 | -- | ||||||||||||
4 | Inspect the brake rotors for the following:
Refer to Brake Rotor Lateral Runout Check in Disc Brakes Do any of the above conditions apply? | -- | Go to Step 5 | Go to Step 6 | ||||||||||||
5 | Resurface the brake rotor. Refer to Brake Rotor Refinishing 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? | Go to Component Specifications in Disc Brakes | Go to Step 22 | -- | ||||||||||||
6 | Inspect the drum brakes for improper adjustment. Refer to Drum Brake Adjustment in Drum Brakes. Are the brakes improperly adjusted? | -- | Go to Step 7 | Go to Step 8 | ||||||||||||
7 | Adjust the drum brakes properly. Refer to Drum Brake Adjustment in Drum Brakes. Is the repair complete? | -- | Go to Step 22 | -- | ||||||||||||
8 | Inspect the axle seals for leakage. Is there any seal leakage? | -- | Go to Step 9 | Go to Step 10 | ||||||||||||
9 | Replace the axle oil seals. Is the repair complete? | -- | Go to Step 22 | -- | ||||||||||||
10 | Inspect the brake assembly for missing or loose attachments. Refer to Brake Caliper Inspection in Disc Brakes or Brake Drum Inspection in Drum Brakes. Are there any missing or loose attachments? | -- | Go to Step 11 | Go to Step 12 | ||||||||||||
11 | Replace or tighten the attachments as necessary. Is the repair complete? | -- | Go to Step 22 | -- | ||||||||||||
12 | Inspect the wheel cylinders and calipers for leakage. Are any of the components leaking? | -- | Go to Step 13 | Go to Step 14 | ||||||||||||
13 | Replace the leaking components. Refer to Brake Caliper Replacement in Disc Brakes or Wheel Cylinder Replacement in Drum Brakes. Is the repair complete? | -- | Go to Step 22 | -- | ||||||||||||
14 | Inspect the hydraulic brake system for leaks. Refer to Brake Hose and Pipe Diagnosis . Is there any sign of leakage? | -- | Go to Step 15 | Go to Step 16 | ||||||||||||
15 | Tighten the brake hose or pipe fittings. Refer to Fastener Tightening Specifications . Is the repair complete? | -- | Go to Step 22 | -- | ||||||||||||
16 | Inspect the master cylinder for leakage. Refer to Master Cylinder Diagnosis . Is the master cylinder leaking? | -- | Go to Step 17 | Go to Step 18 | ||||||||||||
17 | Overhaul the master cylinder. Refer to Master Cylinder Overhaul . Is the repair complete? | -- | Go to Step 22 | -- | ||||||||||||
18 | Inspect the brake system for air. Refer to Hydraulic Brake System Bleeding . Is there air in the system? | -- | Go to Step 19 | Go to Step 19 | ||||||||||||
19 | Bleed the brake system. Refer to Hydraulic Brake System Bleeding . Is the repair complete? | -- | Go to Step 22 | -- | ||||||||||||
20 | Inspect the brake fluid for contamination. Refer to Brake Fluid and Brake Fluid Handling . Is the brake fluid contaminated? | -- | Go to Step 21 | Go to Step 22 | ||||||||||||
21 | Flush the hydraulic brake system. Refer to Hydraulic Brake System Flushing . Is the repair complete? | -- | Go to Step 22 | -- | ||||||||||||
22 | Verify the proper brake system operation. Does the original condition still exist? | -- | Go to Step 1 | |||||||||||||
