Inspection Procedure 7

INSPECTION PROCEDURE 7: Squealing Noise when Brakes are not Applied

DIAGNOSIS

STEP 1. Check whether the backing plate is bent or loose and interfering with the drum.

Q. Is there a fault?

YES Replace the part. Then go to Step 8.

NO Go to Step 2.

STEP 2. Check whether the drum is damaged due to interference with the backing plate or shoe.

Q. Is there any damage?

YES Replace the part. Then go to Step 8.

NO Go to Step 3.

STEP 3. Check the brake drum for wear and the shoe spring for damage.

Q. Is there any wear or damage?

YES Replace the part. Then go to Step 8.

NO Go to Step 4.

STEP 4. Check the brake discs for rust.

Q. Are the brake discs rusted?

YES Remove the rust by using sand paper. If still rusted, turn the rotors with an on-the-car brake lathe. Then go to Step 8.

NO Go to Step 5.

STEP 5. Check the brake pads for correct installation.

Q. Are the pads installed incorrectly?

YES Install the pads correctly. Then go to Step 8.

NO Go to Step 6.

STEP 6. Check the calipers for correct installation.

Q. Are the calipers installed incorrectly?

YES Install the calipers correctly. Then go to Step 8.

NO Go to Step 7.

STEP 7. Check the wheel bearings for end play. Front Axle [Front], On-vehicle Service, Wheel bearing end play check Wheel Bearing End Play Check [Rear (FWD)] or On-vehicle Service, Wheel bearing end play check Wheel Bearing End Play Check [Rear (AWD)].

Q. Does the measured end play exceed the limit?

YES Replace the faulty hub assembly Front Axle Hub Assembly Disassembly and Reassembly [Front], Rear Axle Hub Assembly Rear Axle [Rear (FWD)] or Rear Axle Hub Assembly Rear Axle [Rear (AWD)]). Then go to Step 8.

NO Go to Step 8.

STEP 8. 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.