brakes ISUZU TROOPER 1998 Service Repair Manual
[x] Cancel search | Manufacturer: ISUZU, Model Year: 1998, Model line: TROOPER, Model: ISUZU TROOPER 1998Pages: 3573, PDF Size: 60.36 MB
Page 8 of 3573
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THIS MALUAL INCLUDES THE FOLLOWING SECTIONS:
SECTION No. CONTRNTS
5A BRAKE CONTROL SYSTEM
5B ANTI-LOCK BRAKE SYSTEM
5C POWER ASSISTED BRAKE SYSTEM
5D PARKING BRAKES
Page 27 of 3573
SAE Ð Society of Automotive Engineers
Sec Ð Secondary
SFI Ð Sequential-port Fuel Injection
SI Ð System International
SIR Ð Supplemental Inflatable Restraint System
SOHC Ð Single Overhead Camshaft
Sol Ð Solenoid
SPEC Ð Specification
Speedo Ð Speedometer
SRS Ð Supplemental Restraint System
ST Ð Start
Sw Ð Switch
SWB Ð Short Wheel Base
SYN Ð Synchronize
TAC Ð Thermostatic Air Cleaner
Tach Ð Tachometer
TBI Ð Throttle Body Injection
TCC Ð Transmission/Transaxle Converter Clutch
TCM Ð Transmission/Transaxle Control Module
TDC Ð Top Dead Center
Term Ð Terminal
TEMP Ð Temperature
TPS Ð Throttle Position Sensor
TRANS Ð Transmission/Transaxle
TURBO Ð Turbocharger
TV Ð Throttle Valve
TVRS Ð Television & Radio Suppression
TVS Ð Thermal Vacuum Switch
3 A/T Ð Three Speed Automatic Transmission/
Transaxle
2WD Ð Two Wheel Drive
4x2 Ð Two wheel Drive
U-joint Ð Universal Joint
V Ð Volt(s)
VAC Ð Vacuum
VIN Ð Vehicle Identification Number
VRRRE Ð Vehicle Refrigerant Recovery and Recycling
Equipment
V-ref Ð ECM Reference Voltage
VRV Ð Vacuum Reducer Valve
VSS Ð Vehicle Speed Sensor
VSV Ð Vacuum Switching Valve
V-6 Ð Six Cylinder ÒVÓ Engine
V-8 Ð Eight Cylinder ÒVÓ Engine
W Ð Watt(s)
w/ Ð With
w/b Ð Wheel Base
w/o Ð Without
WOT Ð Wide Open ThrottleL Ð Liter
lbáft Ð Foot Pounds
lbáin Ð Inch Pounds
LF Ð Left Front
LH Ð Left Hand
LR Ð Left Rear
LS Ð Left Side
LWB Ð Long Wheel Base
L-4 Ð In-line Four Cylinder Engine
MAF Ð Mass Air Flow
MAN Ð Manual
MAP Ð Manifold Absolute Pressure
MAT Ð Manifold Air Temperature
MEM-CAL Ð Memory and Calibration Unit
Max Ð Maximum
M/C Ð Mixture Control
Min Ð Minimum
mm Ð Millimeter
MPFI Ð Multi-Port Fuel Injection
MPG Ð Miles per Gallon
MPH Ð Miles per Hour
M/T Ð Manual Transmission/Transaxle
MV Ð Millivolt
NA Ð Natural Aspirated
NC Ð Normally Closed
Nám Ð Newton Meters
NO Ð Normally Open
NOx Ð Nitrogen, Oxides of
OD Ð Outside Diameter
O/D Ð Over Drive
OHC Ð Overhead Camshaft
OL Ð Open Loop
O
2Ð Oxygen
PAIR Ð Pulse Air Injection Reactor System
P/B Ð Power Brakes
PCV Ð Positive Crankcase Ventilation
PFI Ð Port Fuel Injection
PRESS Ð Pressure
PROM Ð Programmable Read Only Memory
P/N Ð Park/Neutral
P/S Ð Power Steering
PSI Ð Pounds per Square Inch
Pt. Ð Pint
Pri Ð Primary
PWM Ð Pulse Width Modulated
Qt Ð Quart
REF Ð Reference
RF Ð Right Front
RFI Ð Radio Frequency Interference
RH Ð Right Hand
RPM Ð Revolutions per Minute
RPO Ð Regular Production Option
RR Ð Right Rear
RS Ð Right Side
RTV Ð Room Temperature Vulcanizing
RVB Ð Rear Vacuum Brake
RVR Ð Response Vacuum Reducer
RWAL Ð Rear Wheel Antilock Brake
RWD - Rear Wheel Drive
GENERAL INFORMATION 0AÐ13
Page 29 of 3573
0BÐ2 MAINTENANCE AND LUBRICATION
MAINTENANCE SCHEDULE
GASOLINE ENGINE MODELI: Inspect and correct or replace as necessary A: Adjust
R: Replace or change T: Tighten to specified torque L: Lubricate
SERVICE INTERVAL: x 1,000 km
(Use odometer reading x 1,000 miles
or months whichever comes first) or months5
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610
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1215
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1820
12
2425
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3030
18
3635
21
4240
24
4845
27
5450
30
6055
33
6660
36
7265
39
7870
42
8475
45
9080
48
9685
51
10290
54
10895
57
114100
60
120
GASOLINE ENGINE
* Engine oil
* Engine oil filter
Oil leakage and contamination
* Timing belt
Spark plugs (For leaded fuel use)
Spark plugs (For unleaded fuel use)
Exhaust system
Radiator coolant concentration
Cooling system for water leakage
All hoses and pipes in engine compartment
for clog or damage
Fuel filter
Fuel leakage
Fuel tank
* Air cleaner element
Pre air cleaner
Engine drive belt
Valve clearance
O
2 Sensor (For leaded fuel use)
O
2 Sensor (For unleaded fuel use)-
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(Replace every 165,000 km or 100,000 miles)
(Replace every 165,000 km or 100,000 miles)
(Check and adjust if necessary every 100,000 km or 60,000 miles)
(Replace every 150,000 km or 90,000 miles)
CLUTCH
Clutch fluid
Clutch pedal travel and free play
TRANSMISSION OR TRANSMISSION WITH
TRANSFER CASE
* Manual transmission with transfer case oil
* Automatic transmission fluid leakage
*
(1)Automatic transmission fluid
* Transfer case oil
PROPELLER SHAFT
Loose connections
*
Universal joints and splines for wear
Universal joints and sliding sleeve (front and rear)
FRONT AND REAR AXLE
* Differential gear oil (Front and rear)
Shift on the fly system gear oil
Front axle shaft rubber boot for damage
Axle case for distortion or damage
Axle shafts for distortion or damage-
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ATATAT
STEERING
* Power steering fluid
Oil leakage
* Steering system for looseness or damage
Power steering hose
Steering wheel play
Steering function
Right and left turning radius
Wheel alignment
Joint ball for oil leakage or damage
Joint ball rubber boot for damage
SERVICE BRAKES
Brake fluid
Brake system for fluid leakage
Brake function
* Disc brake pads and discs wear
Brake pedal travel and free play
Pipes and hoses for loose connections or damage
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(1): Adjust or change automatic transmission fluid.
*Marks: Under severe driving conditions, additional maintenance is required.
Refer to “Maintenance schedule under severe driving conditions”.
Page 31 of 3573
0BÐ4 MAINTENANCE AND LUBRICATION
DIESEL ENGINE MODELI: Inspect and correct or replace as necessary A: Adjust
R: Replace or change T: Tighten to specified torque L: Lubricate
SERVICE INTERVAL: x 1,000 km
(Use odometer reading x 1,000 miles
or months whichever comes first) or months5
3
610
6
1215
9
1820
12
2425
15
3030
18
3635
21
4240
24
4845
27
5450
30
6055
33
6660
36
7265
39
7870
42
8475
45
9080
48
9685
51
10290
54
10895
57
114100
60
120
DIESEL ENGINE
* Engine oil
* Engine oil filter
Oil leakage and contamination
Idling speed and acceleration
Fan belt tension and damage
Timing belt
Exhaust system
All hoses and pipes in engine compartment
for clog or damage
Valve clearance
* Air cleaner element
Fuel filter
Radiator coolant concentration
Cooling system for water leakage-
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NOTE: In the 4JXI-TC diesel engine, there is provided sub (2nd) oil filter for fuel injection at the upper part of crank case on the left
side of the engine. This oil filter maintenance-free and does not need a periodic replacement. See reverse side the (back)
cover for installation location of the sub (2nd) oil filter.(Replace every 200,000 km or 125,000 miles)
*Marks: Under severe driving conditions, additional maintenance is required.
Refer to “Maintenance schedule under severe driving conditions”. CLUTCH
Clutch fluid
Clutch pedal travel and free play
TRANSMISSION OR TRANSMISSION WITH
TRANSFER CASE
* Manual transmission with transfer case oil
* Automatic transmission fluid
* Transfer case oil
PROPELLER SHAFT
Loose connections
* Universal joints and splines for wear
Universal joints and sliding sleeve (front and rear)FRONT AND REAR AXLE
* Differential gear oil (Front and rear)
Shift on the fly system gear oil
Front axle shaft rubber boot for damage
Axle case for distortion or damage
Axle shafts for distortion or damage-
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ATAT
STEERING
* Power steering fluid
Oil leakage
* Steering system for looseness or damage
Power steering hose
Steering wheel play
Steering function
Right and left turning radius
Wheel alignment
Joint ball for oil leakage or damage
Joint ball rubber boot for damage
SERVICE BRAKES
Brake fluid
Brake system for fluid leakage
Brake function
* Disc brake pads and discs wear
Brake pedal travel and free play
Pipes and hoses for loose connections or damage
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Page 289 of 3573
SERVICE INFORMATION 00 – 7
Problem Possible Cause Correction
POWER STEERING SYSTEM
HISSING NOISE
There is some noise in all power steering systems. One of the most common is a hissing sound when the
steering wheel is fully turned and the car is not moving. This noise will be most evident when the wheel is
operated while the brakes are applied. There is no relationship between this noise and steering
performance. Do not replace the valve unless the "hissing" noise is extremely objectionable. A replacement
valve will also have a slight noise, and is not always a cure for the condition.
Rattle or Chucking Noise
Poor Return of Steering
Wheel to Center
Momentary Increase in
Effort When Turning
Wheel Fast to Right or
Left
Steering Wheel Surges or
Jerks When Turning
Especially During Parking
Excessive Wheel Kick
Back or Loose Steering
Hard Steering or Lack of
Power Assist1. Pressure hose touching other parts of
vehicle.
2. Tie rod ends loose.
3. Loose steering gear mounting.
4. Steering gear misadjustment.
1. Improper front wheel alignment.
2. Wheel bearing worn.
3. Tie rod end binding.
4. Ball joint binding.
5. Tight or frozen steering shaft bearing.
6. Steering gear misadjustment.
7. Sticky or plugged steering gear valve.
8. Entry of air in the power steering
system.
1. High internal leakage.
2. Power steering fluid level low.
1. Insufficient pump pressure.
2. Sticky steering gear valve.
3. Power steering fluid level low.
1. Air in system.
2. Tie rod end loose.
3. Wheel bearing worn.
1. Sticky steering gear valve.
2. Insufficient pump pressure.
3. Excessive internal pump leakage.
4. Excessive internal steering gear
leakage.
5. Power steering fluid level low.Adjust hose position. Do not
bend tubing by hand.
Tighten or replace tie rod end.
Tighten steering gear
mounting.
Check and adjust steering gear
preload.
Adjust front wheel alignment.
Replace front wheel bearing.
Replace tie rod end.
Replace ball joint.
Replace steering assembly.
Adjust the steering gear.
Repair or replace steering gear
valve.
Bleed the system.
Repair steering gear.
Replenish fluid.
Repair pump assembly.
Repair or replace steering gear.
Replenish fluid.
Bleed hydraulic system.
Tighten tie rod end.
Replace wheel bearing.
Repair or replace steering gear
valve.
Repair pump assembly.
Repair pump assembly.
Repair steering gear.
Replenish fluid.
Page 399 of 3573
FRONT SUSPENSION 3C – 11
REMOVAL
Preparation:
1) Raise the vehicle and support the frame with suitable
safety stands.
2) Remove wheel and tire assembly. Refer to “Wheels
and Tires” in section 3E.
3) Remove the brake caliper. Refer to “Brakes” in section
5.
4) Remove the hub assembly. Refer to “Hub and Disk” in
section 4C.
5) Remove outer track rod from the knuckle. Refer to
“Steering Linkage” in section 2A.
1. Torsion Bar
Loosen torsion bar by height control arm adjust bolt.
Refer to “Torsion bar” in this section.
2. Wheel speed sensor (if equipped with ABS)
3. Back Plate
4. Lower Ball Joint
Remover: 5-8840-2005-0 (J-29107)
CAUTION:
Be careful not to break the ball joint boot.
5. Upper Ball Joint
Remover: 5-8840-2121-0 (J-36831)
CAUTION:
Be careful not to break the ball joint boot.
6. Knuckle Assembly
7. Oil Seal
8. Washer
9. Needle Bearing
Remover: 5-8840-0019-0 (J-23907)
Page 403 of 3573
FRONT SUSPENSION 3C – 15
REMOVAL
Preparation:
1) Raise the vehicle and support the frame with suitable
safety stands.
2) Remove wheel and tire assembly. Refer to “Wheels
and Tires” in section 3E.
3) Remove the brake caliper and disconnect flexible hose.
Refer to “Brakes” in section 5.
4) Support lower control arm with a jack.
1. Speed Sensor Cable (if equipped with ABS)
2. Nut and Cotter Pin
Remove the upper ball joint from the knuckle.
Remover: 5-8840-2121-0 (J-36831)
CAUTION:
Be careful not to break the ball joint boot.
3. Upper Ball Joint
4. Bolt and Plate
5. Nut Assembly
6. Camber Shims
Note the positions and number of shims.
7. Caster Shims
Note the positions and number of shims.
8. Upper Control Arm Assembly
9. Nut
10. Plate
11. Bushing
Remover: 5-8840-0256-0 (J-29755)
12. Fulcrum Pin
Page 443 of 3573
DIFFERENTIAL (FRONT) 4A1±6
3. Remove the drain bolt to drain differential oil.
NOTE:
a. During the work, be sure that the diff case is
supported by the jack.
412RS003
b. Remove the brake caliper fixing bolt and hang the
caliper. Refer to Front Disc Brake Caliper Assembly
in Brake section.
c. Remove the antilock brake system speed sensor (if
equipped). Refer to Front Wheel Speed Sensor in
Brakes section.
4. Remove the hub assembly (Disc, back plate and
knuckle), refer to Front Hub and Disc in this section.
5. Disconnect the knuckle and the suspension arm.
Refer to Suspension section.
6. Remove steering link and arm assembly, refer to
Steering Linkage in Steering section.
7. Remove suspension crossmember.
8. Remove propeller shaft, refer to Front Propeller Shaft
in this section.
9. Remove protector (Shift on the fly model).
10. Remove breather hose (Shift on the fly model).
11. Remove the hose clip (Shift on the fly model).
12. Disconnect breather hose from front drive axle tube
and disconnect housing (Shift on the fly model).
13. Disconnect vacuum hose from actuator (Shift on the
fly model).14. Disconnect shift switch connector (Shift on the fly
model).
412RS031
15. Remove VSV assembly (1) (Shift on the fly model).
NOTE: Be sure not to remove hose and connector from
VSV asm.
412RW002
Page 471 of 3573
4A2A±4
DIFFERENTIAL (REAR 220mm)
Axle Housing
Axle Housing and Associated Parts
420RW022
Legend
(1) Coil Spring and Insulator
(2) Axle Housing Assembly
(3) ABS Speed Sensor and Harness(if equipped)
(4) Nut
(5) Parking Brake Cable
(6) Bolt and Nut
(7) Antilock Brake System (ABS) Connector and
Bracket (if equipped)
(8) Bolt and Nut(9) Nut
(10) Differential Assembly
(11) Axle Shaft Assembly
(12) Brake Disc
(13) Brake Pipe
(14) Brake Caliper
(15) Nut
(16) Breather Hose
(17) Flare Nut
Removal
1. Raise the vehicle and support it with suitable safety
stands.
The hoist must remain under the rear axle housing.
2. Drain brake fluid. Refer to Hydraulic Brakes in Brake
section.
3. Remove rear wheels and tires. Refer to Wheel in
Suspension section.4. Remove propeller shaft. Refer to Rear Propeller
Shaft in this section.
5. Drain the rear axle oil into a proper container.
6. Remove parking brake cable, release the connection
between the cable fixing clip equalizer. Refer to
Parking Brakes in Brake section.
7. Move the clip aside and pull out the breather hose.
Page 472 of 3573
DIFFERENTIAL (REAR 220mm)
4A2A±5
8. Disconnect the ABS connectors (1) and remove the
brackets (2) attached to the frame and center link
(ABS model only).
350RS001
9. Loosen the brake tube flare nut, remove the clip and
take out the brake tube.
10. Remove the shock absorber fixing nut from the axle
housing.
11. Remove the stabilizer linkage mounting nut from the
axle housing.
12. Remove the lateral rod fixing nut from the axle
housing.
13. Remove the center link mounting bolt and nut from
the axle housing.
14. Remove the trailing link fixing bolt and nut from the
axle housing.
15. Jack down and remove the coil spring and insulator.
16. Axle housing assembly can be separated from the
vehicle on completion of steps 1 ± 11.
17. Remove the brake caliper fixing bolt (3), loosen the
flare nut (1), release the clip (2) and take out the brake
caliper together with the flexible hose.
306RS001
18. Remove brake disc.
19. Remove antilock brake system speed sensor fixing
bolt and the clip and bracket on the axle housing
(ABS model only).
20. Remove the brake pipe clip and fixing bolt on the axle
housing and take out the brake pipe.
21. Remove the bearing holder fixing nut and take out the
axle shaft assembly, be sure not to damage the oil
seal by the spline of the shaft, Refer to Axle Shaft in
this section.
22. Remove differential assembly, refer to Differential
Assembly in this section.
Oil Seal Replacement
Remove the oil seal, carefully not to damage the housing,
and mount new oil seal using oil seal installer
5±8840±2294±0.
420RW028
Installation
1. Install differential assembly, refer to Differential
Assembly in this section.
2. Install axle shaft assembly then tighten the bearing
holder mounting nut to the specified torque. Be sure
not to damage the oil seal by the spline of the shaft.
Torque: 74N´m (7.5kg´m/54lb ft)
3. Install brake pipe.
4. Connect antilock brake system (ABS) speed sensor
and harness, refer to 4±Wheel Anti±Lock Brake
System (ABS) in Brake section (ABS model only).
5. Install brake disc.
6. Install brake caliper. Refer to Disk Brakes in Brake
section.
7. Install axle housing assembly.
8. Install coil spring and insulator.
9. Install the trailing link fixing bolt and nut to the axle
housing. For the procedures in items 9±13, refer to
Suspension section.
10. Install the center link bolt and nut to the axle housing.