Inspection Procedure 2

INSPECTION PROCEDURE 2: Insufficient Parking Brake Function

DIAGNOSIS

STEP 1. Check the parking brake lever for excessive stroke.
Q: Is the parking brake lever stroke excessive?
YES: Adjust the parking brake lever stroke or check the parking brake cable routing. Then gotoStep7.
NO: Go to Step 2.

STEP 2. Check the parking brake cable for binding.
Q: Does the parking brake cable bind?
YES: Replace the cable. Then go to Step 7.
NO: Go to Step 3.

STEP 3. Check the brake lining for signs of wear.
Q: Is the lining worn?
YES: Replace the lining. Then go to Step 7.
NO: Go to Step 4.

STEP 4. Check the lining surface for oil or grease contamination.
Q: Is the lining surface contaminated with oil or grease?
YES: Replace the lining. Then go to Step 7.
NO: Go to Step 5 (Vehicles with drum brake). Go to Step 7 (Vehicles with drum-in-disc brake)

STEP 5. Check the wheel cylinders for sticking.
Q: Are the wheel cylinders stuck?
YES: Replace the wheel cylinder(s). Then go to Step 7.
NO: Go to Step 6.

STEP 6. Check the automatic adjuster.
Q: Is the automatic adjuster defective?
YES: Replace the adjuster. Then go to Step 7.
NO: Go to Step 7.

STEP 7. Retest the system.
Q: Is the malfunction eliminated?
YES: The procedure is complete.
NO: Recheck from Step 1.