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 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.
Removal and Replacement.
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.
Procedures.
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.