Mitsubishi Montero Sport (2004+). Manual - part 771

BASIC BRAKE SYSTEM DIAGNOSIS

TSB Revision

BASIC BRAKE SYSTEM

35A-9

STEP 9. Retest the system.
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 

P.35A-3

.

INSPECTION PROCEDURE 5: Insufficient Parking Brake Function

.

DIAGNOSIS

STEP 1. Check the lining for wear.

Refer to 

P.35A-24

.

Q: Is there wear?

YES : 

Replace the part. Then go to Step 6.

NO : 

Go to Step 2.

STEP 2. Check for oil or water, etc., on the lining 
contact surface.

If found, replace the part and determine source or 
cause of foreign material. Recheck symptom. If the 
symptom is eliminated, diagnosis is complete. If the 
symptom is not eliminated, go to Step 3.

Q: Does the condition exists?

YES : 

Repair it. Then go to Step 6.

NO : 

Go to Step 3.

STEP 3. Check the parking brake cable.

Refer to GROUP 36, Parking Brake Cable 

P.36-5

.

Q: Is there fault?

YES : 

Replace the part. Then go to Step 6.

NO : 

Go to Step 4.

STEP 4. Check the auto adjuster function.

Refer to 

P.35A-25

.

Q: Is there fault?

YES : 

Repair it. Then go to Step 6.

NO : 

Go to Step 5.

STEP 5. Check the parking brake pull amount 
(excessive).

Refer to GROUP 36, On-vehicle Service 

− Parking 

Brake Lever Stroke Check and Adjustment 

P.36-2

.

Q: Is there fault?

YES : 

Adjust it. Then go to Step 6.

NO : 

Go to Step 6.

STEP 6. Retest the system.

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 

P.35A-3

.

BASIC BRAKE SYSTEM DIAGNOSIS

TSB Revision

BASIC BRAKE SYSTEM

35A-10

INSPECTION PROCEDURE 6: Scraping or Grinding Noise When Brakes are Applied.

.

DIAGNOSIS

STEP 1. Check the front brakes, then rear brakes, for 
metal-to-metal condition.
Q: Is the metal-to-metal contact in good condition?

YES : Repair or replace components. Then go to Step 6.
NO :  Go to Step 2.

STEP 2. Check for interference between the caliper and 
wheel.
Q: Is there interference?

YES : Repair or replace the part. Then go to Step 6.
NO :  Go to Step 3.

STEP 3. Check for interference between the dust cover and 
brake disc.

Q: Is there interference?

YES : Repair or replace the part. Then go to Step 6.
NO :  Go to Step 4.

STEP 4. Check the brake drums for cracks.
Q: Are there cracks?

YES : Repair or replace the part. Then go to Step 6.
NO :  Go to Step 5.

STEP 5. Check for bent backing plate(s).
Q: Is (Are) the backing plate(s) bent?

YES : Repair or replace the part. Then go to Step 6.
NO :  Go to Step 6.

STEP 6. Retest the system.
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 

P.35A-3

.

AC000860

DUST
COVER

BRAKE DISC

AB

BASIC BRAKE SYSTEM DIAGNOSIS

TSB Revision

BASIC BRAKE SYSTEM

35A-11

INSPECTION PROCEDURE 7: Squealing, Groaning or Chattering Noise when Brakes are Applied.

.

DIAGNOSIS

STEP 1. Check the brake drums and lining or 
brake disc and pads for wear or cutting.

Q: Is there wear or cutting?

YES : 

Repair or replace the part. Then go to Step 

7.

NO : 

Go to Step 2.

STEP 2. Check the calipers for rust.

Q: Is there rust?

YES : 

Remove the rust. Then go to Step 7.

NO : 

Go to Step 3.

STEP 3. Check the lining parts for damage.

Q: Is there damage?

YES : 

Repair or replace the part. Then go to Step 

7.

NO : 

Go to Step 4.

STEP 4. Check whether the lining is dirty or 
greasy.

Q: Is the lining dirty or greasy?

YES : 

Clean or replace the part. Then go to Step 

7.

NO : 

Go to Step 5.

STEP 5. Check whether the shoe hold-down 
springs are weak or the shoe-hold-down pins 
and springs are loose or damaged.

Q: Is there fault?

YES : 

Repair or replace the part. Then go to Step 

7.

NO : 

Go to Step 6.

STEP 6. Adjust the brake pedal or brake booster 
pushrod.

Refer to 

P.35A-15

 or 

P.35A-28

.

Q: Is the adjustment value come?

YES : 

Adjust. Then go to Step 7.

NO : 

Go to Step 7.

STEP 7. Retest the system

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 

P.35A-3

.

INSPECTION PROCEDURE 8: 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 fault?

YES : Replace the part. Then go to Step 10.
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 damage?

YES : Replace the part. Then go to Step 10.
NO :  Go to Step 3.

BASIC BRAKE SYSTEM DIAGNOSIS

TSB Revision

BASIC BRAKE SYSTEM

35A-12

STEP 3. Check the brake drum for wear and the 
shoe-to-shoe spring for damage.
Q: Is there wear or damage?

YES : Replace the part. Then go to Step 10.
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 10.

NO :  Go to Step 5.

STEP 5. Check the brake pads for correct installation.
Q: Are the pads installed incorrectly?

YES : Repair it. Then go to Step 10.
NO :  Go to Step 6.

STEP 6. Check the calipers for correct installation.
Q: Are the calipers installed incorrectly?

YES : Repair it. Then go to Step 10.
NO :  Go to Step 7.

STEP 7. Check the wheel bearings for deterioration or 
damage, and the quality and quantity.

Q: Are the wheel bearings damaged or out of grease?

YES : Apply grease or replace the part. Then go to Step 10.
NO :  Go to Step 8.

AC005073 AB

<FRONT>

<REAR>

WHEEL BEARING

WHEEL
BEARING