Inspection Procedure 4

INSPECTION PROCEDURE 4: Brake Drag

DIAGNOSIS

STEP 1. Check the parking brake operating lever return.





Q. Is the operation faulty?

YES Repair it. Then go to Step 9.

NO Go to Step 2.

STEP 2. Check the brake shoe springs for breakage.





Q. Are the brake shoe springs broken?

YES Replace the spring. Then go to Step 9.

NO Go to Step 3.

STEP 3. Check the amount of grease at each sliding section.

Removal and Replacement.

Q. Is the grease amount low?

YES Apply grease. Then go to Step 9.
NO Go to Step 4.
STEP 4. Check the parking brake pull amount.

Procedures.

Q. Is there a fault?

YES Adjust it. Then go to Step 9.
NO Go to Step 5.
STEP 5. Check for insufficient clearance between the push rod and primary piston.

Refer to Service and Repair.

Q. Is there a fault?

YES Adjust the clearance. Then go to Step 9.
NO Go to Step 6.
STEP 6. Check the master cylinder piston return spring for damage and return port for clogging.

Refer to Service and Repair.

Q. Is there damage?

YES Replace the part. Then go to Step 9.
NO Go to Step 7.
STEP 7. Check port for clogging.

Q. Is the port clogged?

YES Repair it. Then go to Step 9.
NO Go to Step 8.
STEP 8. Check disc brake pistons for sticking.

Depress the brake pedal, then release. Confirm each wheel spins freely.

Q. Does any wheel stick?

YES Inspect that brake assembly. Then go to Step 9.
NO Go to Step 9.
STEP 9. Recheck symptom.

Q. Is the symptom eliminated?

YES The procedure is complete.
NO Start over at step 1. If a new symptom surfaces, refer to the symptom chart.