These tests will not find all master cylinder malfunctions.
If you cannot find the cause with these tests, refer to Brake System Diagnosis.
Visual Inspection
| • | Check for a cracked casting or brake fluid leaks around the master
cylinder. |
| | A leak will have at least one drop of fluid. A damp condition is normal. |
| • | Check the pedal linkage for binding and for incorrect pushrod
length. |
| | Disassemble the master cylinder if no brake pedal binding or improper
brake pedal travel is found. Refer to
Master Cylinder Overhaul
. |
| • | Check the master cylinder for swollen or elongated primary piston
seals. |
