Inspection Procedure 4: Brake Drag
INSPECTION PROCEDURE 4: Brake DragDIAGNOSIS
STEP 1. Check the parking brake operating lever return.
Q: Is the operation faulty?
YES: Repair it. Then go to Step 7.
NO: Go to Step 2.
STEP 2. Check the shoe-to-anchor springs and adjusting wheel spring for breakage.
Q: Are the shoe-to-anchor springs and adjusting wheel spring broken?
YES: Replace the spring. Then go to Step 7.
NO: Go to Step 3.
STEP 3. Check the amount of grease at each sliding section.
Q: Is the grease amount low?
YES: Apply grease. Then go to Step 7.
NO: Go to Step 4.
STEP 4. Check the parking brake pull amount.
Q: Is there a fault?
YES: Adjust it. Then go to Step 7.
NO: Go to Step 5.
STEP 5. Check port for clogging.
Q: Is the port clogged?
YES: Repair it. Then go to Step 7.
NO: Go to Step 6.
STEP 6. Check disk 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 7.
NO: Go to Step 7.
STEP 7. 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. Symptom Chart