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1991 Isuzu Trooper CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Isuzu REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Isuzu Trooper 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 Isuzu Trooper automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1991 Isuzu Trooper AUTOMOBILES
Isuzu -> Component Replacement & Adjustment -> HEATER CORE, REPLACE -> 1991 TROOPER -> 1992 TROOPER -> AMIGO, RODEO & PICKUP -> Front Unit -> IMPULSE & STYLUS -> Rear Unit
Vehicle: 1991 Isuzu Trooper 2.8 V6 GAS
IMPULSE & STYLUS
- Disarm air bag system. Refer to .
- Disconnect battery ground cable and cover connector end with electrical tape, then drain cooling system.
- Disconnect heater hoses from heater unit.
- Remove instrument panel as follows:
- Remove lefthand lower switch bezel, then the cigar lighter bezel.
- Disconnect engine hood opener cable from lever.
- Remove knee pad assembly, then the glove compartment.
- Remove front console bracket.
- Remove instrument cluster hood, then the instrument cluster.
- Remove instr...
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BRAKE SERVICE PROCEDURES FOR 1991 Isuzu Trooper AUTOMOBILES
HYDRAULIC BRAKE SYSTEM -> HYDRAULIC BRAKE SPECIFICATIONS
Vehicle: 1991 Isuzu Trooper 2.6 L4 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Isuzu Trooper AUTOMOBILES
Isuzu -> Component Locations -> Axiom, 1984-04 Trooper & VehiCROSS & 1981-00 Amigo, Pickup & Rodeo w/Gasoline Engines
Vehicle: 1991 Isuzu Trooper 2.6 L4 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Isuzu Trooper AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1991 Isuzu Trooper 2.8 V6 GAS
- Raise and support vehicle.
- Mark flange for driveshaft alignment during installation.
- Remove differential side and transfer side bol...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Isuzu Trooper AUTOMOBILES
Starter, Replace
Vehicle: 1991 Isuzu Trooper 2.6 L4 GAS
- Disconnect battery ground cable at battery.
- Disconnect wiring from solenoid.
- Remove...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Isuzu Trooper AUTOMOBILES
Isuzu -> Intelligent Suspension Control (ISC) Indicator Lamp ->
Vehicle: 1991 Isuzu Trooper 2.8 V6 GAS
The Intelligent Suspension Control (ISC) indicator lamp will illuminate when the ignition switch is placed in the on position and should go off when the engine is started. If the lamp remains on or comes on while driving, a fault in the Intelligent Suspension Control is present. After diagnosis and repairs, then DTCs may be cleared as follows:
- Connect a ju...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Isuzu Trooper AUTOMOBILES
Radiator, Replace
Vehicle: 1991 Isuzu Trooper 2.6 L4 GAS
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Isuzu Trooper AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Isuzu Trooper 2.8 V6 GAS
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COMPONENT LOCATION DIAGRAMS FOR 1991 Isuzu Trooper AUTOMOBILES
Component location diagrams for most 1991 Isuzu Trooper cars and light trucks sold in the U.S. from 1990+.
 RH Side Of I/P, Behind Glove Compartment Diagram for 1991 Isuzu Trooper 2.6 L4 GASComponents on diagram: |
 Behind LH Side Of I/P, Near Kick Panel Diagram for 1991 Isuzu Trooper 2.6 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1991 Isuzu Trooper AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Isuzu Trooper cars and light trucks sold in the U.S.
 1991 Isuzu Trooper 2.8 V6 GAS Wiring DiagramComponents on diagram: |
 1991 Isuzu Trooper 2.8 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Isuzu Trooper AUTOMOBILES
OEM TSB listings for most 1991 Isuzu Trooper cars and light trucks sold in the U.S. from 1985+.
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Document: WARRANTY PROCEDURES Vehicle: 1991 Isuzu Trooper 2.6 L4 GAS Auto Systems: |
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Document: MANUAL TRANSMISSION OPERATING CHARACTERISTICS - REVISED Vehicle: 1991 Isuzu Trooper 2.6 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Isuzu Trooper AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Isuzu Trooper cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1991 Isuzu Trooper cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1991 Isuzu Trooper cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1991 Isuzu Trooper cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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