Mitsubishi Lancer Evolution VI. Manual — part 75
BASIC BRAKE SYSTEM –
General / On-vehicle Service
35A-2
GENERAL
OUTLINE OF CHANGE
D
The service procedures for left-hand drive vehicles have been established as described below.
D
The service procedures for the front and rear disc brakes have been changed since they had been
replaced by a different type. <EVOLUTION-VI with BREMBO braking system>
ON-VEHICLE SERVICE
BRAKE PEDAL CHECK AND ADJUSTMENT
<L.H. DRIVE VEHICLES>
1.
Turn up the carpet, etc under the brake pedal.
2.
Measure the brake pedal height as illustrated. If the brake
pedal height is not within the standard value, follow the
procedure below.
Standard value: 163.5–166.5 mm
(1) Disconnect the stop lamp switch connector.
(2) Adjust the brake pedal height by turning the operating
rod with pliers (with the operating rod lock nut
loosened), until the correct brake pedal height is
obtained.
(3) Secure by tightening the lock nut of the operating
rod.
(4) Push the stop lamp switch in the direction of the
pedal stroke until it stops. (The switch will slide if
it is pushed firmly.)
(5) Lift up the pedal until the operating rod is fully
extended, and then slide the stop lamp switch back
to the required position. Adjust the position of the
switch by turning it until the distance shown in the
illustration is correct.
(6) Connect the connector of the stop lamp switch.
(7) Check that the stop lamp is not illuminated with the
brake pedal unpressed.
3.
With the engine stopped, depress the brake pedal two
or three times. After eliminating the vacuum in the power
brake booster, press the pedal down by hand, and confirm
that the amount of movement before resistance is met
(the free play) is within the standard value range.
Standard value: 3– 8 mm
Operating
rod
Operating
rod lock nut
Stop lamp
switch
Pedal down
Pedal up
Lock nut
Lock nut
Outer case
0.5 – 1.0 mm
BASIC BRAKE SYSTEM –
On-vehicle Service
35A-3
If the free play exceeds the standard value, it is probably
due to excessive play between the retaining ring bolt
and brake pedal arm.
Check for excessive clearance and replace faulty parts
as required.
4.
Start the engine, depress the brake pedal with
approximately 490 N of force, and measure the clearance
between the brake pedal and the floorboard.
Standard value: 80 mm or more
If the clearance is outside the standard value, check for
air trapped in the brake line, clearance between the lining
and the drum and dragging in the parking brake.
Adjust and replace defective parts as required.
5.
Turn back the carpet, etc.
BASIC BRAKE SYSTEM –
Brake Pedal
35A-4
BRAKE PEDAL <L.H. DRIVE VEHICLES>
REMOVAL AND INSTALLATION
Pre-removal Operation
D
Instrument Under Cover Removal
D
Steering Column Assembly Removal
(Refer to GROUP 37A – Steering Wheel and Shaft.)
D
Accelerator Pedal Removal
Post-installation Operation
D
Accelerator Pedal Installation
D
Steering Column Assembly Installation
(Refer to GROUP 37A – Steering Wheel and Shaft.)
D
Instrument Under Cover Installation
D
Brake Pedal Adjustment (Refer to P.35A-2.)
29 Nm
12 Nm
14 Nm
1
2
3
4
5
6
7
8
13 Nm
11
9
10
8
9
Removal steps
1. Stop lamp switch connector
2. Stop lamp switch
3. Snap pin
4. Clevis pin
5. Brake pedal shaft bolt
6. Brake pedal
7. Brake pedal pad
8. Brake pedal return spring
9. Bushing
10. Pipe
11. Pedal support member
BASIC BRAKE SYSTEM –
Master Cylinder and Brake Booster
35A-5
MASTER CYLINDER AND BRAKE BOOSTER
<L.H. DRIVE VEHICLES>
REMOVAL AND INSTALLATION
Pre-removal Operation
D
Brake Fluid Draining
D
Air Intake Hose Removal
Post-installation Operation
D
Brake Fluid Supplying
D
Brake Line Bleeding
D
Brake Pedal Adjustment (Refer to P.35A-2.)
D
Air Intake Hose Installation
15 – 18 Nm
15 Nm
Sealant: 3M ATD Part No.
8661 or equivalent
6
7
3
1
4
2
8
5
4
14 Nm
5
9
1
10 Nm
Removal steps
1. Brake pipe connection
2. Brake fluid level sensor connector
3. Master cylinder assembly
"
B
A D
Clearance adjustment between brake
booster push rod and primary piston
"
A
A
4. Vacuum hose
(With built-in check valve)
5. Fitting
6. Snap pin
7. Clevis pin assembly
8. Brake booster
9. Sealer
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