MITSUBISHI SPYDER 1990 Service Repair Manual

SYSTEM Rear Drum Brake
DISASSEMBLY AND REASSEMBLY
Grease: Repair kit grease (orange’)Brake fluid: or
Disassembly steps
1. Boots2. Piston assembly 3. Pistons 4. Piston cups5. Wheel cylinder body
Wheel cylinder repair kit
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BASIC BRAKE SYSTEM Rear Drum Brake
PISTON CUP/PISTON REASSEMBLY
(1) Use alcohol or specified brake fluid to clean the wheel
cylinder and the piston.
(2) Apply the specified brake fluid to the piston c ups and
the special tool.
Specified brake fluid: or
(3) Set the piston cup ‘on the tool with the lip of the
cup facing ‘up. Fit the cup onto the special tool, and then
slide it down the outside of the
into the piston groove.
In order to keep the piston becoming twisted
or slanted, slide the piston cup down the tool slow ly
and carefully, without stopping.
,
Have the piston cup
lip facing upwards.
. . --
. .
,
Check the piston and for
If there is any abnormality, replace the
assembly.
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BASIC BRAKE SYSTEM Rear Disc Brake
REAR DISC BRAKE
REMOVAL AND INSTALLATION
I
I OperationlLoosening Parking Brake Cable Adjusting Nut..
l Brake Fluid DrainingPost-installation ‘OperationlBrake Fluid Filling andAir(Refer to lParking Brake Lever Adjustment
(Refer to GROUP 36 On-vehicle Service.)
49-59
36-43
3
Removal steps
1. Brake hose connection 2. Rear brake assembly
3. Brake disc .
INSTALLATION SERVICE POINT
REAR BRAKE ASSEMBLY INSTALLATION
Install
the rear brake assembty and disc
drag torque. (Refer to
INSPECTION
lCheck the brake disc for damage.
l Check the brake disc for thickness.
l Check the brake disc for run-out.
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BASIC BRAKE SYSTEM Rear disc
DISASSEMBLY AND REASSEMBLY
1 4 ,
,,
74 Nm54
7454
Brake caliper kit
14
Pad repajr kit
5
Seal and boots repair kit
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C&per assembly disassembly
10. Caliper body
steps
1.Guide pin2.Lock pin3.Bushing support
Bootring7.Piston boot8.Piston
9.Piston seal
(pad, clip, shim)
Pad assembly disassembly steps
1. Guide pin 2. Lock pin 3. Bushing
4. Caliper support (pad, clip, shim)
11. Pad and wear indicator assembly
12. Pad assembly
13. Outer shim
14. Clip

BASICB R AKE SYSTEM Rear Disc
LUBRICATION POINTS
IGrease: Repair kit greaseI
CautionThe piston seal inside the seal andboot kit is coated with special grease.Do not wipe this grease off.
Brake fluid:
or
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Grease: Repair kit grease
DISASSEMBLY SERVICE POINTS
When disassembling the disc brakes, disassemble bot h sides
(left and right) as a set.
PISTON BOOT/PISTON REMOVAL
Protect caliper body with cloth. Blow compressed air through
brake hose to remove piston boot and piston.
Caution
Blow compressed air gently.
PISTON SEAL REMOVAL
(1) Remove piston seal with finger tip.
Caution
Do not use a flat-tipped screwdriver or other tool to
prevent damage to inner cylinder.
( 2 ) C l e a n p i s t o n s u r f a c e a n d i n n e r c y l i n d e r w i t h trichloro-ethylene, alcohol or specified brake flui d.
Specified brake fluid:
or

BASICBRAKESYSTEM Rear Disc Brake
Lock
Guide
pin
REASSEMBLY SERVICE
BOOT/BUSHING/LOCK PIN’
INSTALLATION
Grease parts as illustrated with specified grease.
Specified grease: Repair kit grease (orange)
..
(2) Install the guide pin and lock pin
that
each head mark of the guide pin and the pin
the indication mark or “L”) located on the caliper
body.
. .
INSPECTION
l Check cylinder’for wear, damage or rust.”
lCheck piston surface for wear, damage or
l Check caliper body or sleeve for wear.
l Check pad for damage or adhesion of grease, check
backing metal for damage.,
. .
, .
PAD WEAR CHECK
Measure thickness at the thinnest and worn area of the pad.
Replace. pad assembly when pad thickness is less th an the
value.
Standard value: 10 mm in.)
mm in.),
Caution
1. When the limit is exceeded, the both
the left and right wheels must be
as a
2.If there is a significant difference In
of the pads on the left and rlght check the
sliding condition of the piston,
pin and guide
pin.
,
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P R O P O R T I O N I N G V A L V E,
REMOVAL AND INSTALLATION’.
O p e r a t i o n Operationl Brake Fluid DrainingLink Assembly Removal l Brakel l Engine (Turbo) and Engine>Brake Line fer l
Link Assembly Bolts Installation (Refer to GROUP Control.) Engine l Intake Manifold ( R e f e r ’ t o Engine (Non-turbo)> Intake Manifold (Refer to Manifold.) Engine ( R e f e r : G R O U P
Flared brake line nuts
11
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Removal steps
1. Brake pipe connection
2. Proportioning valve
0 0 0 0 0 0 7 4

BASIC BRAKE ,
Connect the pipes to the
the ,
1. Proportioning valve Rear brake
2. Proportioning
3. Proportioning valve
4. Proportioning valve
5 . P r o p o r t i o n i n g v a l v e
6. valve M a s t e r
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CONTENTS
ABS-ECU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 VALVE. . . . . . . . . . . . . . . . .
GENERAL INFORMATION. . . . . . . . . . . . . . . . .2SERVICE SPECIFICATIONS.. . . . . . . . . . . . . .3
HYDRAULIC UNIT . . . . . . . . . . . . . . . . . . . . . . . . .36SPECIAL TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . .3
MASTER CYLINDER ANDTROUBLESHOOTING.. . . . . . . . . .. . . . . . . . .4
BRAKE BOOSTER. . . . . . . . . . . . . . . . . . . . . . . . .32..
W H E E L S P E E D .. . . .... . . . . . . . . . . . .38
ON-VEHICLE SERVICE24.... . . . . . . . . . . . . . . . . . . .
ABS Operation Check . . . . . . . . . . . . . . . . . . . . . . .
24
Bleeding
. . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Refer to GROUP for the following items.
BRAKE PEDAL
FRONT DISC BRAKE
LUBRICANTS
REAR DISC BRAKE
REAR DRUM BRAKE SHOE
REAR DRUM BRAKE WHEEL CYLINDER
ON-VEHICLE SERVICE
Brake Booster Operating Test
Brake Drum inside Diameter Check

Brake Fluid Level Sensor Check
Brake Lining and Brake Drum Contact Check
Brake Lining Thickness Check
Brake Pedal Check and Adjustment
Check Valve Operation Check
Front Brake Disc Run-out Check
Front Brake Disc Run-out Correction
Front Brake Disc Thickness Check
Front Disc Brake Pad Check and Replacement
Front Disc Brake Rotor Check
Proportioning Valve Function Test
Rear Brake Disc Run-out
Rear Brake Disc Run-out
Rear Brake Disc Thickness
Rear Disc Brake Pad and Replacement
S t o p L i g h t S w i t c h

ABS General Information
The ABS consists of wheel speed sensors, stop light switch, hydraulic unit and the ABS-ECU. If
a problem occurs in the system, the malfunctioning
system can be identified by means of the diagnostic
function.
The diagnostic trouble code will not be erased even
if the ignition switch is turned to OFF.
In addition, reading of diagnostic trouble codes,
service testing are possible using
t h e s c a n
Items
Wheel speed sensor
Front ABS rotor teeth
Rear ABS rotor teeth
,
Magnet coil type
4 3
43
DIAGRAM
1. ABS-ECU6. ABS rotor7. Data link connector .
6. Stop
9. ABS warning light
2. Hydraulic unit
3. ABS valve relay
4. ABS motor relay
5. Wheel speed sensor
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