1998 ISUZU TROOPER Service Repair Manual

Page 897 of 3573

ISUZU TROOPER 1998  Service Repair Manual POWER ASSISTED BRAKE SYSTEM  5C – 19
Brake Pedal N·m (kg·m/lb·ft)
20(2.0/15)20(2.0/15)

Page 898 of 3573

ISUZU TROOPER 1998  Service Repair Manual 5C – 20 POWER ASSISTED BRAKE SYSTEM
Front and Rear Brakes N·m (kg·m/lb·ft)
74(7.5/54) Front disc brake
Rear disc brake
35(3.6/26)
74(7.5/54)155(15.8/115)
35(3.6/26)
104(10.6/77)
44(4.5/32)
8(0.8/

Page 899 of 3573

ISUZU TROOPER 1998  Service Repair Manual POWER ASSISTED BRAKE SYSTEM  5C – 21
SPECIAL TOOLS
ILLUSTRATION PART NO. PARTNAME
Primary piston holder
5-8840-2306-0
(including master cylinder attach-
(J-39242)
ment and master cylinder plug)
5-88

Page 900 of 3573

ISUZU TROOPER 1998  Service Repair Manual 5C – 22 POWER ASSISTED BRAKE SYSTEM
GENERAL DESCRIPTION
MASTER CYLINDER
The master cylinder contains two pistons that supply
the hydraulic pressure for a dual-circuit braking
system. The primary pis

Page 901 of 3573

ISUZU TROOPER 1998  Service Repair Manual POWER ASSISTED BRAKE SYSTEM  5C – 23
VACUUM BOOSTER
This booster is a tandem vacuum unit with a diaphragm effective diameter 205 mm + 230 mm (gasoline
engine model) / 180 mm + 205 mm (diesel engine

Page 902 of 3573

ISUZU TROOPER 1998  Service Repair Manual 5C – 24 POWER ASSISTED BRAKE SYSTEM
DISC BRAKES
The disc brake assembly consists of a caliper, piston, rotor, pad assembly and support bracket.  The
caliper assembly has a single bore and is mounted

Page 903 of 3573

ISUZU TROOPER 1998  Service Repair Manual POWER ASSISTED BRAKE SYSTEM  5C – 25
ON-VEHICLE SERVICE
BRAKE HOSE REPLACEMENT
1
24
2
3
12
4
5
3
Front/Rear Caliper Brake Hose
Removal Steps
1. Brake pipe
2. Clip 
3. Bolt and gasket
4. HoseInstalla

Page 904 of 3573

ISUZU TROOPER 1998  Service Repair Manual 5C – 26 POWER ASSISTED BRAKE SYSTEM
REMOVAL
Preparation:
1) Raise the vehicle and support it with suitable
safety stands.
2) Remove wheel and tire assembly.
3) Clean dirt, grease, and other foreign