INSPECTION PROCEDURE 7: Squealing Noise when Brakes are not Applied: Diagnosis

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

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 9.

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 9.

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 9.

NO : Go to Step 4.
STEP 4. Check the brake disks for rust.
Q: Are the brake disks 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 9.

NO : Go to Step 5.
STEP 5. Check the brake pads for correct installation.
Q: Are the pads installed incorrectly?

YES : Repair the pads. Then go to Step 9.

NO : Go to Step 6.
STEP 6. Check the calipers for correct installation.
Q: Are the calipers installed incorrectly?

YES : Repair the calipers. Then go to Step 9.

NO : Go to Step 7.
STEP 7. Check the wheel bearings for end play.
Refer to WHEEL BEARING END PLAY CHECK < Front > or WHEEL BEARING END PLAY CHECK < Rear >.

Q: Does the measured end play exceed the limit?

YES : Replace the faulty hub assembly. Then go to Step 9.

NO : Go to Step 8.
STEP 8. Adjust the brake pedal.
Refer to BRAKE PEDAL CHECK AND ADJUSTMENT .

Q: Is the brake pedal adjusted correctly?

YES : Go to Step 9.

NO : Adjust the brake pedal. Then go to Step 9.
STEP 9. 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 .