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GMC S15 Jimmy CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW
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A/C & HEATER SERVICE PROCEDURES FOR GMC S15 Jimmy 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 GMC S15 Jimmy cars and light trucks from 1990+
Component Replacement & Adjustment -> Light Duty Trucks & Vans -> BLOWER MOTOR, REPLACE -> ASTRO & SAFARI -> Auxiliary Heater -> BRAVADA & S & T Series -> C & K SERIES -> Front -> Front Unit -> G & P SERIES -> LUMINA APV, SILHOUETTE & TRANS SPORT -> Overhead Unit -> Rear Auxiliary -> TRACKER
Vehicle: 1994 GMC S15 Jimmy 4.3 V6 GAS
ASTRO & SAFARI
Front Unit
- Disconnect battery ground cable.
- Remove coolant recovery bottle.
- Remove attaching bolts securing windshield washer tank and position tank aside.
- Disconnect blower motor electrical connector, relay bracket and vent tube as required.
- Remove blower motor flange screws, then blower motor assembly.
- Reverse procedure to install, ensuring that blower is properly aligned with pin, if equipped.
Auxiliary Heater
- Disconnect battery ground cable.
- Remove auxiliary heater cover scr...
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BRAKE SERVICE PROCEDURES FOR GMC S15 Jimmy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC S15 Jimmy cars and light trucks from 1990+.
Disc Brakes -> Delco-Moraine Single Piston Caliper -> Rotor Replacement -> 2WD Models -> 4WD Models
Vehicle: 1994 GMC S15 Jimmy 4.3 V6 GAS
2WD Models
- Raise and support vehicle.
- Remove tire and wheel assembly.
- Remove caliper as outlined under "Caliper Service."
- Remove grease cap from hub/rotor.
- Remove cotter pin, nut and washer.
- Remove hub/rotor from spindle, being careful not to damage spindle threads or outer bearing.
- Reverse procedure to install, noting the following:
- Apply high-temperature wheel bearing grease to inner and outer wheel bearings.
- Torque nut to 12 ft. lbs. while turning wheel assembly forward by hand, back...
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FUEL FILTER REPLACEMENT PROCEDURES FOR GMC S15 Jimmy AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported GMC S15 Jimmy cars and light trucks sold in the U.S. for 1980+.
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Scheduled Maintenance -> 1992-05 S/T Series Blazer, Bravada, Jimmy & Pickup -> Normal Service -> Severe Service
Vehicle: 1994 GMC S15 Jimmy 4.3 V6 GAS
Normal Service
R...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR GMC S15 Jimmy AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported GMC S15 Jimmy cars and light trucks from 1990+.
CV AXLE SHAFT, Replace
Vehicle: 1990 GMC S15 Jimmy 4.3 V6 GAS
- Disconnect battery ground cable.
- Unlock steering column, then raise and support vehicle.
- Remove wheel assembly, then axle nut and washer.
- Support lower control arm, then remove lower shock absorber nut and bolt.
- Scribe all revolving driveshaft components in relation to connecting component to ensure correct balance upon assembly.
- Insert drift through opening in top of caliper into rotor cooler vanes to keep axle ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR GMC S15 Jimmy AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported GMC S15 Jimmy cars and light trucks from 1990+.
Starter, Replace
Vehicle: 1992 GMC S15 Jimmy 4.3 V6 GAS
Upon removal of starter, note if any shims are used. If shims are used, they should be installed in their original locations. After installation, if starter is noisy during cranking, remove one .015 inch double shim or add one .015 inch single shim to outer bolt. If starter makes a high pitched whine after firing, add .015 inch double shims until noise ceases.
- Disconnect battery ground cable.
- Raise and support front of vehicle.
- Raise vehicle half way to gain access to starter motor.
- Re...
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MAINTENANCE LAMP RESET PROCEDURES FOR GMC S15 Jimmy AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC S15 Jimmy cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> All Wheel Drive (AWD) System Warning Lamp ->
Vehicle: 1994 GMC S15 Jimmy 4.3 V6 GAS
This lamp should light for a approximately 6-8 seconds when the ignition is turned On as a bulb check. If the war...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR GMC S15 Jimmy AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported GMC S15 Jimmy cars and light trucks from 1990+
Radiator, Replace
Vehicle: 1990 GMC S15 Jimmy 4.3 V6 GAS
- Drain cooling system into a suitable container.
- Remove overflow hose.
- Remove upper fan shroud.
- Remove radiator hose inlet.
- Remove radiator hose outlet.
- Remove heater outlet hose.
- Remove transmission oil cooler lines.
- Remove engine oil cooler lines.
- Remove two radiator mounting bolts.
- Remove radiator f...
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SERPENTINE BELT SERVICE PROCEDURES FOR GMC S15 Jimmy AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported GMC S15 Jimmy cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1993 GMC S15 Jimmy 4.3 V6 GAS
- Remove belt tensioner pulley retaining bolt...
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COMPONENT LOCATION DIAGRAMS FOR GMC S15 Jimmy AUTOMOBILES
Component location diagrams for most GMC S15 Jimmy cars and light trucks sold in the U.S. from 1990+.
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WIRING DIAGRAMS FOR GMC S15 Jimmy AUTOMOBILES
OEM drawn wiring diagrams for most GMC S15 Jimmy cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR GMC S15 Jimmy AUTOMOBILES
OEM TSB listings for most GMC S15 Jimmy cars and light trucks sold in the U.S. from 1985+.
Document: WARRANTY ADMINISTRATION - REPAIR ORDER DOCUMENTATION - CANCELED Vehicle: 1990 GMC S15 Jimmy 4.3 V6 GAS Auto Systems: |
Document: A/C TOOL & EQUIP MAINTENANCE REMINDER - REV Vehicle: 1985 GMC S15 Jimmy 2.5 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR GMC S15 Jimmy AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most GMC S15 Jimmy 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 GMC S15 Jimmy 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 GMC S15 Jimmy 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 GMC S15 Jimmy 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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