Mitsubishi 380. Manual — part 294
BASIC BRAKE SYSTEM DIAGNOSIS
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>
BASIC BRAKE SYSTEM DIAGNOSIS
BASIC BRAKE SYSTEM
35A-11
INSPECTION PROCEDURE 8: Groaning, Clicking or Rattling Noise when Brakes are not Applied.
DIAGNOSIS
.
STEP 1. Check whether foreign material has entered the
wheel covers.
Q: Is there any foreign material?
YES : Remove it. Then go to Step 5.
NO : Go to Step 2.
STEP 2. Check for looseness of the wheel nuts.
Q: Are the wheel nuts loose?
YES : Tighten to 98
± 10 N⋅m (73 ± 7 ft-lb). Then go to Step
NO : Go to Step 3.
STEP 3. Check for looseness of the caliper installation
bolt.
Q: Is the caliper installation bolt loose?
YES : Tighten to 100
± 10 N⋅m (74 ± 7 ft-lb) for the front
caliper. Tighten to 60
± 5 N⋅m (45 ± 3 ft-lb) for the rear
caliper. Then go to Step 5.
NO : Go to Step 4.
AC308605AB
<FRONT>
<REAR>
SPECIAL TOOLS
BASIC BRAKE SYSTEM
35A-12
STEP 4. 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 5.
NO : Go to Step 5.
STEP 5. 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.
SPECIAL TOOLS
M1351000600360
AC102438 AC
<FRONT>
AC205869AC
<REAR>
TOOL
TOOL NUMBER AND
NAME
SUPERSESSION
APPLICATION
MB991568
Push rod adjusting socket
General service
tool
Adjustment of the brake booster
push rod protrusion amount
MB990964
Brake tool set
A: MB990520
Disc brake piston expander
MB990620-01 or
general service
tool
Pushing-in of the disc brake
piston
MB990964
A
B
ON-VEHICLE SERVICE
BASIC BRAKE SYSTEM
35A-13
ON-VEHICLE SERVICE
BRAKE PEDAL CHECK AND ADJUSTMENT
M1351000900446
BRAKE PEDAL HEIGHT
1. Turn up the carpet, etc. under the brake pedal.
2. Measure the brake pedal height as illustrated.
Standard value: 168..5
− 171.5 mm− A/T
Standard value: 169.4
− 172.4 mm - M/T
[From the surface of dash panel to the face of pedal
pad]
3. If the brake pedal height is not within the standard value,
follow the procedure below.
(1) Disconnect the stoplight switch connector.
(2) Remove the brake booster (Refer to
).
NOTE: With the master cylinder and brake pipe con-
nected, remove the brake booster only.
(3) Adjust the brake pedal height by turning the clevis.
NOTE: When the clevis is turned 180 degrees, the pedal
height is changed by approximately 2.2 mm (0.09 in).
(4) Install the brake booster (Refer to
(5) Measure the brake pedal height, and ensure that the
measured value is within the specified value. If it is out of
the specified value, repeat Step (3) - (6).
(6) Screw in the stop light switch until its thread contacts the
stopper, and fix the stop light switch by turning it
approximately one quarter of a turn clockwise.
(7) Check that the clearance between the stop light switch
and the stopper is as shown.
CAUTION
Check that the stop light does not illuminate when the
brake pedal is not depressed.
(8) Connect the connector at the stop light switch.
4. Return the carpet, etc. to its original position.
AC210522
AC210523 AB
CLEVIS
AC206322AB
0.5 - 1.5 mm
(0.02 - 0.06 in)
STOPPER
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