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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Isuzu Pickup car and truck
repair procedures including Isuzu engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 1991 Isuzu Pickup automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1991 Isuzu Pickup
- 1991 Isuzu Pickup 2.3 L4 GAS, CC:2254, Carburetor, Engine VIN:, Desg:L
- 1991 Isuzu Pickup 2.6 L4 GAS, CC:2559, Fuel Injection, Engine VIN:, Desg:E
- 1991 Isuzu Pickup Normal CAB 2.3 L4 GAS, CC:2254, Carburetor, Engine VIN:, Desg:L
- 1991 Isuzu Pickup Normal CAB 2.6 L4 GAS, CC:2559, Fuel Injection, Engine VIN:, Desg:E
- 1991 Isuzu Pickup Normal CAB 3.1 V6 GAS, CC:3137, Fuel Injection, Engine VIN:, Desg:Z
- 1991 Isuzu Pickup 1 TON 2.6 L4 GAS, CC:2559, Fuel Injection, Engine VIN:, Desg:E
A/C & HEATER SERVICE PROCEDURES FOR 1991 Isuzu Pickup AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 Isuzu Pickup cars and light trucks from 1990+
Serpentine Drive Belt Routing -> Imported Passenger Cars, Light Trucks & Vans -> Isuzu
Vehicle: 1991 Isuzu Pickup 1 TON 2.6 L4 GAS
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A/C & HEATER SERVICE PROCEDURES FOR 1991 Isuzu Pickup AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 Isuzu Pickup cars and light trucks from 1990+
Isuzu -> Cooling Fans -> SYSTEM DIAGNOSIS & TESTING -> CHECK POINT QUICK CHART -> CHECK POINTS
Vehicle: 1991 Isuzu Pickup 2.6 L4 GAS
CHECK POINTS
If all parts checked are satisfactory, harness and connection of connectors should be checked.
- If fan does not operate in any condition, check:
- Cooling fan motor connector C-18.
- Fusible link wire 0.4G.
- Cooling fan relay connector X-3.
CLICK HERE TO GET FULL ACCESS TO 1991 Isuzu Pickup A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Isuzu Pickup AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 Isuzu Pickup cars and light trucks from 1990+
Isuzu -> Component Replacement & Adjustment -> EVAPORATOR CORE & EXPANSION VALVE, REPLACE -> 1991 TROOPER -> 1992 TROOPER -> AMIGO & PICKUP -> IMPULSE -> RODEO -> STYLUS
Vehicle: 1991 Isuzu Pickup Normal CAB 3.1 V6 GAS
IMPULSE
- Disconnect battery ground cable and discharge A/C system.
- Working from engine compartment, disconnect refrigerant lines from evaporator Fig. , then plug lines and open fittings.
- Remove instrument cluster and satellite switch assembly.
- Remove engine hood lock release lever.
- Remove shifter knob and trim panels as needed, then the front console assembly.
- Remove radio bracket with radio, disconnecting electrical connectors to radio, clock and antenna.
- Remove knee pad, then remove instrument panel fron...
CLICK HERE TO GET FULL ACCESS TO 1991 Isuzu Pickup A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Isuzu Pickup AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 Isuzu Pickup cars and light trucks from 1990+
Computer Relearn Procedures -> Isuzu
Vehicle: 1991 Isuzu Pickup Normal CAB 3.1 V6 GAS
If the battery has been disconnected or ECM has been replaced, a change may be noticed in the vehicles performance. In order for the ECM to re...
CLICK HERE TO GET FULL ACCESS TO 1991 Isuzu Pickup A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Isuzu Pickup AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 Isuzu Pickup cars and light trucks from 1990+
Isuzu -> Cooling Fans -> COMPONENT DIAGNOSIS & TESTING -> CONDENSER FAN MOTOR -> IMPULSE & STYLUS -> RADIATOR & CONDENSER FAN RELAY -> RADIATOR FAN MOTOR -> THERMO SWITCH TEST
Vehicle: 1991 Isuzu Pickup 1 TON 2.6 L4 GAS
THERMO SWITCH TEST
- Remove thermo switch from radiator.
- Place temperature sensing portion of thermo switch in a container of water.
- Connect ohmmeter onto thermo switch terminals.
- Heat water.
- When the temperature of the water reaches approximately 180-190°F, continuity should exist between thermo switch terminals.
- Allow temperature of the water to drop to between 167-178°F. No continuity should exist in this range.
- If thermo switch does not operate as specified, replace thermo switch.
RADIATOR FAN MOTOR
...
CLICK HERE TO GET FULL ACCESS TO 1991 Isuzu Pickup A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Isuzu Pickup AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 Isuzu Pickup cars and light trucks from 1990+
Isuzu -> Component Replacement & Adjustment -> CONDENSER, REPLACE -> 1991 TROOPER -> 1992 TROOPER -> AMIGO, PICKUP & RODEO -> IMPULSE & STYLUS
Vehicle: 1991 Isuzu Pickup 2.6 L4 GAS
IMPULSE & STYLUS
- Disconnect battery ground cable, then discharge A/C system.
- Remove front end upper panel.
- Disconnect triple-pressure switch and condenser fan electrical connectors.
- Disconnect refrigerant line connector and refrigerant outlet line.
- Move radiator back, then pull upward on condenser to remove.
- Reverse procedure to install, noting the following:
- Torque condenser attaching bolts to 4 ft. lbs.
- Torque refrigerant outlet line to 11 ft. lbs.
- Torque refrigerant line connector to 9 ft. lbs.
...
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