Mitsubishi Galant (2004+). Manual — part 505
BASIC BRAKE SYSTEM DIAGNOSIS
TSB Revision
BASIC BRAKE SYSTEM
35A-7
STEP 5. Check for insufficient clearance between the push
rod and primary piston.
Refer to
Q: Is there a fault?
YES : Adjust the clearance. Then go to Step 9.
NO : Go to Step 6.
STEP 6. Check the master cylinder piston return spring for
damage and return port for clogging.
Refer to
Q: Is there damage?
YES : Replace the part. Then go to Step 9.
NO : Go to Step 7.
STEP 7. Check port for clogging.
Q: Is the port clogged?
YES : Repair it. Then go to Step 9.
NO : Go to Step 8.
STEP 8. Check disc brake pistons for sticking.
Depress the brake pedal, then release. Confirm each wheel
spins freely.
Q: Does any wheel stick?
YES : Inspect that brake assembly. Then go to Step 9.
NO : 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.
INSPECTION PROCEDURE 5: 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 any metal-to-metal contact evident?
YES : Repair or replace the components. Then go to Step 6.
NO : Go to Step 2.
STEP 2. Check for interference between the caliper and
wheel.
Q: Is there any interference?
YES : Repair or replace the part. Then go to Step 6.
NO : Go to Step 3.
BASIC BRAKE SYSTEM DIAGNOSIS
TSB Revision
BASIC BRAKE SYSTEM
35A-8
STEP 3. Check for interference between the dust cover and
brake disc.
Q: Is there any interference?
YES : Repair or replace the part. Then go to Step 6.
NO : Go to Step 4.
STEP 4. Check the brake drums or discs 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. 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.
INSPECTION PROCEDURE6: Squealing, Groaning or Chattering Noise when Brakes are Applied
.
DIAGNOSIS
STEP 1. Check the brake disc and pads for wear
or cutting.
Q: Is there wear or cutting?
YES :
Repair or replace the part. Then go to Step
NO :
Go to Step 2.
STEP 2. Check the calipers for rust.
Q: Is there any rust?
YES :
Remove the rust. Then go to Step 4.
NO :
Go to Step 3.
AC306518
DUST COVER
BRAKE DISC
AB
<FRONT> <REAR>
AC210519 AD
BACKING PLATE
<REAR>
BASIC BRAKE SYSTEM DIAGNOSIS
TSB Revision
BASIC BRAKE SYSTEM
35A-9
STEP 3. Adjust the brake pedal or brake booster
pushrod.
Refer to
.
Q: Are the brake pedal and the brake booster pushrod
adjusted correctly?
YES :
Go to Step 4.
NO :
Adjust the brake pedal or the brake booster
pushrod. Then go to Step 4.
STEP 4. 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.
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 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 any damage?
YES : Replace the part. Then go to Step 10.
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 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 the pads. 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 the calipers. Then go to Step 10.
NO : Go to Step 7.
BASIC BRAKE SYSTEM DIAGNOSIS
TSB Revision
BASIC BRAKE SYSTEM
35A-10
STEP 7. Check the wheel bearings for end play.
(1) Remove the brake discs.
(2) Place a dial gauge as shown, and measure the end play
while moving the hub in the axial direction.
Limit: 0.05 mm (0.002 inch)
Q: Does the measured end play exceed the limit?
YES : Replace the faulty hub assembly. Then go to Step 10.
NO : Go to Step 8.
STEP 8. Check whether the brake booster or master
cylinder return is insufficient.
Q: Is the brake booster or master cylinder return
insufficient?
YES : Replace the part. Then go to Step 10.
NO : Go to Step 9.
STEP 9. Adjust the brake pedal or brake booster pushrod.
Refer to
Q: Are the brake pedal and the brake booster pushrod
adjusted correctly?
YES : Go to Step 10.
NO : Adjust the brake pedal or the brake booster pushrod.
Then go to Step 10.
STEP 10. 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.
AC102438 AC
<FRONT>
AC205869AC
<REAR>
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст