INSPECTION PROCEDURE 4: Brake Drag: Diagnosis
WARNING: This page is about a different variant/trim than selected.
- 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.
Refer to PARKING BRAKE LINING AND DRUM .
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.
Refer to PARKING BRAKE LEVER STROKE CHECK AND ADJUSTMENT .
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 SYMPTOM CHART .