Mitsubishi Eclipse / Eclipse Spyder (2000-2002). Service and repair manual — part 567
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SPECIAL TOOLS
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BASIC BRAKE SYSTEM
35A-17
STEP 4. Check the wheel bearings for wear, damage or
dryness.
Q: Is there fault?
YES : Apply grease or replace the part. Then go to Step 5.
NO : Go to Step 5.
STEP 5. Recheck symptom.
Q: Is the symptom eliminated?
YES : Diagnosis is complete.
NO : Start over at step 1. If a new symptom surfaces, refer
to the symptom chart.
SPECIA L TO O LS
M1351000600081
AC000862
WHEEL
BEARING
WHEEL
BEARING
<FRONT>
<REAR>
AB
TOOL
TOOL NUMBER AND
NAME
SUPERSESSION
APPLICATION
MB990964
Brake tool set
A: MB990520
Disc brake piston expander
B: MB990619
Installer
General service
tool
•
Pushing-in of the disc brake
piston
•
Installation of the drum brake
wheel cylinder piston cup
MB990998
Front hub remover and
installer
MB990998-01
Provisional holding of the wheel
bearing
MB990964
A
B
MB990998
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ON-VEHICLE SERVICE
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BASIC BRAKE SYSTEM
35A-18
O N -VEH IC LE SERVIC E
BRAKE PEDAL CHECK AND ADJUSTMENT
M1351000900082
BRAKE PEDAL HEIGHT
1. Turn up the carpet etc. under the brake pedal.
2. Measure the brake pedal height as illustrated. If it is not
within the standard value, adjust as follows.
Standard value: 175
−
178 mm (6.9
−
7.0 inches) [From
the surface of melting sheet (floorboard) to the face of
pedal pad]
(1) Disconnect the stoplight switch connector.
(2) Rotate the stoplight switch 1/4 turn counter clockwise to
loosen.
(3) Loosen the operating rod jam nut. Turn the serrations of
the operating rod with pliers to adjust the brake pedal
height to the standard value.
(4) Turn the stoplight switch until it contacts the stopper.
During this step, secure the pedal by moving it forward by
hand.
(5) Adjust the stoplight switch so that it has the specified
clearance as shown. Turn the stoplight switch 1/4 turn
clockwise to secure.
(6) Connect the connector of the stoplight switch.
(7) Check to be sure that the stoplight does not illuminated
with the brake pedal released
3. Return the carpet, etc. to its original position.
BRAKE PEDAL FREE PLAY
1. Turn the ignition switch to the "LOCK" (OFF) position,
depress the brake pedal two or three times. After eliminating
the vacuum in the brake booster, press the pedal down by
hand, and confirm that the amount of movement before
resistance is met (free play) is within the standard value
range.
Standard value: 3
−
8 mm (0.12
−
0.31 inch)
AC000864 AB
STOPLIGHT
SWITCH
OPERATING
ROD
OPERATING
ROD JAM NUT
AC000865
PEDAL DOWN
PEDAL UP
JAM NUT
AB
AC000866AB
STOPPER
0.5
–
1.5 mm
(0.02
–
0.06 in)
AC000867
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ON-VEHICLE SERVICE
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BASIC BRAKE SYSTEM
35A-19
2. If the brake pedal play is not within the standard value,
check the following, and adjust or replace if necessary:
•
Excessive play between the brake pedal and the clevis pin,
or between the clevis pin and the brake booster operating
rod
•
Brake pedal height
•
Installation position of the stoplight switch, etc.
CLEARANCE BETWEEN BRAKE PEDAL AND
FLOORBOARD
1. Turn up the carpet etc. under the brake pedal.
2. Start the engine, depress the brake pedal with
approximately 490 N (110 pound) of force, and measure the
clearance between the brake pedal and the floorboard.
Standard value: 90 mm (3.5 inches) or more [From the
surface of melting sheet (floorboard) to the face of
pedal pad]
3. If the clearance is outside the standard value, check for air
trapped in the brake line, thickness of the disc brake pad,
clearance between the lining and the drum and dragging in
the parking brake. And then adjust and replace defective
parts as required.
4. Return the carpet etc. to its original position.
STOPLIGHT SWITCH CHECK
M1351008900105
1. Connect an ohmmeter between the stoplight switch
connector terminals.
2. There should be no continuity between the terminals when
the plunger is pushed in as shown. There should be
continuity when it is released.
AC000868
TESTER
CONNECTION
PLUNGER
SPECIFIED
CONDITION
1
−
2
IN
Open circuit
OUT
Less than 2
Ω
ACX00671AB
NO CONTINUITY CONTINUITY
4 mm
(0.16 in)
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ON-VEHICLE SERVICE
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BASIC BRAKE SYSTEM
35A-20
BRAKE BOOSTER OPERATING TEST
M1351001000071
1. For simple checking of the brake booster operation, carry
out the following tests:
(1) Run the engine for one or two minutes, and then stop it. If
the pedal depresses fully the first time but gradually
becomes higher when depressed succeeding times, the
booster is operating properly. If the pedal height remains
unchanged, the booster is defective. Go to step 2.
(2) With the engine stopped, step on the brake pedal several
times. Then step on the brake pedal and start the engine.
If the pedal moves downward slightly, the booster is in
good condition. If there is no change, the booster is
defective. Go to step 3.
(3) With the engine running, step on the brake pedal and
then stop the engine. Hold the pedal depressed for 30
seconds. If the pedal height does not change, the booster
is in good condition, if the pedal rises, the booster is
defective.
2. If the above three tests are okay, the booster is OK. If one of
the above three tests is not okay, the check valve, vacuum
hose, or booster is defective. Check the check valve (Refer
to
.), vacuum hose for leaks, high volume engine
vacuum applied to booster. Repair or replace as necessary.
If these are OK, replace booster and repeat this test starting
at Step 1.
AC000870
GOOD
NO GOOD
AB
AC000871 AB
WHEN ENGINE
IS STOPPED
WHEN ENGINE
IS STARTED
AC000872
GOOD
NO GOOD
AB
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