1998 ISUZU TROOPER Service Repair Manual

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ISUZU TROOPER 1998  Service Repair Manual SERVICE INFORMATION 00 Ð 29
FUEL SYSTEM
Fuel Filter
Replacement Procedure
1. Loosen the used fuel filter by turning it counterclock-
wise with the filter wrench.
Filter Wrench:  5-8840-0253-0 (J-2270

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ISUZU TROOPER 1998  Service Repair Manual 00 Ð 30 SERVICE INFORMATION
Fuel Filter Water Draining Procedure
The indicator light will come on when the water level in the
water separator exceeds the specified level.
Drain the water and foreign

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ISUZU TROOPER 1998  Service Repair Manual SERVICE INFORMATION 00 Ð 31
Remove the radiator filler cap only when absolutely neces-
sary.
Always check the coolant level when the engine is cold.
Always refer to the chart at the left to determine

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ISUZU TROOPER 1998  Service Repair Manual 00 Ð 32 SERVICE INFORMATION
Drive Belt Adjustment
Check the drive belt tension.
Depress the drive belt mid-portion with a 98N (10kg/22 lb)
force.
Cooling Fan Pulley Drive Belt
Fan belt tension is adj

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ISUZU TROOPER 1998  Service Repair Manual SERVICE INFORMATION 00 Ð 33
ENGINE CONTROL
Idling Speed Adjustment
1. Set the vehicle parking brake and choke the drive wheels.
2. Place the transmission in neutral.
3. Start the engine and allow it

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ISUZU TROOPER 1998  Service Repair Manual 00 Ð 34 SERVICE INFORMATION
Accelerator Control
Accelerator Control Cable Adjustment
1. Loosen the accelerator cable clamp bolt 1 .
2. Check that the idling control knob on the instrument
panel is in

Page 1535 of 3573

ISUZU TROOPER 1998  Service Repair Manual SERVICE INFORMATION 00 Ð 35
Adjust the No. 1 or the No. 4 cylinder valve clearances while
their respective cylinders are at TDC on the compression
stroke.
0.4 (0.016)
mm(in) Valve Clearance (At Cold)

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ISUZU TROOPER 1998  Service Repair Manual 00 Ð 36 SERVICE INFORMATION
CAUTION
¥ When installing the distributor head plug, be sure to use
new copper washer.
COMPRESSION PRESSURE MEASURE-
MENT
1. Start the engine and allow it to idle until t