SPECIFICATIONS

Vehicle Systems Testing And Adjusting
Problem: Brake will not make application.
Probable Cause :
1. Leakage or low fluid level.
2. Air in the brake hydraulic system.
3. Master cylinder is loose.
4. Lining surface looks like glass(glazed) or worn.
5. Oil or brake fluid is on the lining.
6. Bad master cylinder.
Problem: Not braking evenly or rough feeling
during braking (chatter).
Probable Cause :
1. Lining surface looks like glass(glazed) or worn.
2. Oil or brake fluid is on the lining
3. Bad contact between the lining and drum.
4. Loose lining.
5. Brake drum out of round.
6. Loose wheel Bearing.
7. Bad wheel cylinder.
Brake System (Oil Cooled Disc Type)
NOTE: If excessive force is applied to the brake
pedal, the pedal can be forced to the end of the
stroke. This is normal and should not be interpreted
as a problem.
Problem: Pedal resistance is not solid (spongy)
(under normal pedal pressure).
Probable Cause:
1. Leakage or low brake fluid or oil level.
2. Air in the brake hydraulic system.
3. Master cylinder is loose.
Problem: Pedal gradually goes to the floor (under
normal pedal pressure).
Probable Cause:
1. Leakage or low brake fluid or oil level.
2. Defective master cylinder.
Problem: Extra (excessive) pedal travel (under
normal pedal pressure).
Probable Cause:
1. Pedal adjustment is not correct.
2. Leakage or low brake fluid or oil level.
3. Air in the brake hydraulic system.
4. Defective master cylinder.
Problem: Brake will not make application.
Probable Cause:
1. Leakage or low brake fluid or oil level.
2. Air in the brake hydraulic system.
3. Linkage is not in correct adjustment or is bent.
4. Defective master cylinder.
5. Bent plates or discs.
Problem: Hard pedal.
Probable Cause:
1. Mechanical resistance at pedal or disc assembly.
2. Restriction in the brake line.
3. Defective master cylinder.
4. Brake discs look like glass (glazed) or are worn.
Problem: Both brake disc assemblies will not
release all the way (drag).
Probable Cause:
1. Brake disc assemblies defective (pistons stuck).
2. Brake disc uneven (out of flat).
3. Restriction in the brake line.
4. Defective master cylinder.
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