Mitsubishi Evolution X. Manual — part 159
35A-1
GROUP 35A
BASIC BRAKE
SYSTEM
CONTENTS
GENERAL DESCRIPTION. . . . . . . . .
CONSTRUCTION DESCRIPTION . . .
BRAKE BOOSTER . . . . . . . . . . . . . . . . . . .
BRAKE PEDAL . . . . . . . . . . . . . . . . . . . . . .
BRAKE . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL DESCRIPTION
TSB Revision
BASIC BRAKE SYSTEM
35A-2
GENERAL DESCRIPTION
M2350000101238
The brake system has high reliability and durability,
and provides an exceptional braking performance.
FEATURES
.
IMPROVED BRAKING PERFORMANCE
• In addition to the 10-inch through bolt type single
brake booster, the small and long stroke-type
master cylinder is adopted to provide rigidity, to
reduce weight, and to secure the assist force.
• Brembo™ 18-inch 4-pot front ventilated disk
brakes and Brembo
™ 17-inch 2-pot rear venti-
lated disk brakes are adopted to provide stable
braking force and improved braking feel.
• To the front, two-piece structure brake disk is
installed. <GSR: Option, MR: Standard>
.
IMPROVED STABILITY
• Front- and rear-wheel X-type brake line layout is
used.
• The brake pedal retreat suppression mechanism
that suppresses the retraction of brake pedal sur-
face upon a frontal collision is adopted.
• To the front brake and rear brake, the brake pads
with audible wear indicator are adopted which
warn the driver of the wear limit.
CONSTRUCTION DIAGRAM
AC708805AB
Brake booster
Master cylinder
Front disc brake
Reserve tank
Rear disc brake
Brake pedal
Hydraulic unit
GENERAL DESCRIPTION
TSB Revision
BASIC BRAKE SYSTEM
35A-3
SPECIFICATIONS
Item
Specification
Master
cylinder
Type
Tandem type
I.D. mm (in)
23.81 (0.94)
Brake
booster
Type
Vacuum type, single
Effective dia. of power cylinder mm (in)
252 (10)
Boosting ratio
5.5 {Pedal depression force: 663 N (149 lb)}
Front brakes Type (Disk brake nomenclature)
Brembo
™ 4-opposed-piston ventilated disk
(V8-Z4046)
Disk effective dia
× thickness mm (in)
294
× 32 (11.6 × 1.3)
Cylinder I.D. mm (in)
40.0 (1.58)
× 2, 46.0 (1.81) × 2
Brake pad thickness mm (in)
9.85 (0.39)
Clearance adjustment
Automatic adjustment
Rear brakes Type (Disk brake nomenclature)
Brembo
™ 2-opposed-piston ventilated disk
(V7-X40)
Disk effective dia
× thickness mm (in)
278
× 22 (10.9 × 0.9)
Cylinder I.D. mm (in)
40.0 (1.58)
× 2
Brake pad thickness mm (in)
9.0 (0.35)
Clearance adjustment
Automatic adjustment
Brake fluid
DOT3 or DOT4
CONSTRUCTION DESCRIPTION
TSB Revision
BASIC BRAKE SYSTEM
35A-4
CONSTRUCTION DESCRIPTION
BRAKE BOOSTER
M2350002000892
10-inch through bolt type single brake booster is
installed.
With the brake booster, two through bolts are used to
improve surface rigidity of the booster. The master
cylinder and brake pedal are mounted to each end of
the bolt. When the brake pedal is depressed force-
fully, the forward movement of master cylinder
assembly is suppressed, improving brake feeling.
BRAKE PEDAL
M2350007000488
BRAKE PEDAL PAD
The aluminum pedal pad has been adopted to the
brake pedal in order to enhance the sporty image.
AC704185
AC708806AB
A
A
Section A-A
Section A-A
Section A-A
Through bolt
AC708807
<M/T>
<TC-SST>
AB
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