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PARKING BRAKE DIAGNOSIS TSB Revision PARKING BRAKES 36-3 SYMPTOM PROCEDURES INSPECTION PROCEDURE 1: Insufficient Parking Brake Function DIAGNOSIS STEP 1. Check the excessive parking brake lever Refer to . Q: Is the parking brake lever stroke adjusted properly? YES : Go to Step 2. NO : Adjust the parking brake lever stroke or STEP 2. Check the parking brake cable for Q: Is the parking brake cable stuck? YES : Replace the cable. Then go to Step 5. NO : Go to Step 3. STEP 3. Check the brake lining and brake drum Refer to Q: Is the brake lining thickness or brake drum inside diameter outside of specification? YES : Replace the rear brake shoe assembly or rear brake disc (Refer to ). Then go to Step 5. NO : Go to Step 4. STEP 4. Check for oil, water, etc., on the lining Q: Is oil, water, etc., on the lining contact surface? YES : Replace the part and determine and repair source/cause of foreign material. Then go to NO : Carry out the parking brake lining seating STEP 5. Retest the system. Q: Is the malfunction eliminated? YES : The procedure is complete. NO : Recheck from Step 1. |