Inspection Procedure 4
INSPECTION PROCEDURE 4: Brake DragDIAGNOSIS
STEP 1: Check the parking brake lever return.
Q: Is there fault?
YES: Repair it. Then go to Step 10.
NO: Go to Step 2.
STEP 2: Check the parking brake pull amount.
Q: Is there fault?
YES: Adjust it. Then go to Step 10.
NO: Go to Step 3.
STEP 3: Check the brake pedal return spring for deterioration.
Q: Is there deterioration?
YES: Replace the spring. Then go to Step 10.
NO: Go to Step 4.
STEP 4: Check the brake shoe springs for breakage.
Q: Are the brake shoe springs broken?
YES: Replace the spring. Then go to Step 10.
NO: Go to Step 5.
STEP: 5. Check the amount of grease at each sliding section.
Q: Is the grease amount low?
YES: Apply grease. Then go to Step 10.
NO: Go to Step 6.
STEP 6: Check the clearance (too low) between the pushrod and primary piston.
Q: Is there fault?
YES: Adjust the clearance. Then go to Step 10.
NO: Go to Step 7.
STEP 7: Check the master cylinder piston return spring for damage and return port for clogging.
Q: Is there damage?
YES: Replace the part. Then go to Step 10.
NO: Go to Step 8.
STEP 8: Check port for clogging.
Q: Is the port clogged?
YES: Repair it Then go to Step 10.
NO: Go to Step 9.
STEP 9: Check disc brake pistons for sticking. Depress the brake pedal, then release. Confirm each wheel spins freely.
Q: Are all wheels stuck?
YES: Inspect that brake assembly. Then go to Step 10.
NO: Go to Step 1 0
STEP 10: Recheck symptom.
Q: Is the symptom eliminated?
YES: Diagnosis is complete.
NO: Start over at Step 1. If a new symptom surfaces, refer to the symptom chart. Symptom Chart For Inspection Procedues