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GMC P35/P3500 VAN 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 P35/P3500 VAN 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 P35/P3500 VAN cars and light trucks from 1990+
Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Evaporator Core, Replace -> 1996 -> 1997 -> Astro & Safari -> Bravada & S/T Series -> C & K Series -> Front -> G Series -> P Series -> Rear -> Silhouette, Trans Sport, 1996 Lumina APV & 1997 Venture -> Tracker
Vehicle: 1996 GMC P35/P3500 VAN 6.5 V8 DIESEL
Astro & Safari
Front
- Recover refrigerant as outlined under .
- Drain cooling system into suitable container, then remove coolant recovery reservoir.
- Remove windshield washer fluid bottle.
- Disconnect electrical connectors.
- Remove heater core inlet and outlet pipes.
- Remove refrigerant inlet and outlet pipes.
- Remove relay bracket then the case flange nuts.
- Remove blower and evaporator case, then separate case halves, Fig. .
- Remove filter and evaporator.
- Reverse procedure to install.
Rear
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BRAKE SERVICE PROCEDURES FOR GMC P35/P3500 VAN AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC P35/P3500 VAN cars and light trucks from 1990+.
Power Brake Units -> Bendix Brake Booster -> Troubleshooting -> Accumulator Leak-Down, System Does Not Hold Charge -> Grabby Brakes Or Booster Chatters/Pedal Vibrates -> Slow Brake Pedal Return
Vehicle: 1997 GMC P35/P3500 VAN 7.4 V8 GAS
Slow Brake Pedal Return
- Excessive seal friction in booster.
- Faulty spool action.
- Restriction in return line from booster to pump reservoir.
- Damaged input rod end.
Grabby Brakes Or Booster Chatters/Pedal Vibrates
- Faulty spool action caused by contamination in sys...
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MAINTENANCE LAMP RESET PROCEDURES FOR GMC P35/P3500 VAN AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC P35/P3500 VAN cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> Check Fuel Cap Lamp ->
Vehicle: 1998 GMC P35/P3500 VAN 7.4 V8 GAS
The Check Fuel Cap Lamp will illuminate momentarily when the ignition switch is placed in the On position as a bulb check. I...
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COMPONENT LOCATION DIAGRAMS FOR GMC P35/P3500 VAN AUTOMOBILES
Component location diagrams for most GMC P35/P3500 VAN cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR GMC P35/P3500 VAN AUTOMOBILES
OEM drawn wiring diagrams for most GMC P35/P3500 VAN cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR GMC P35/P3500 VAN AUTOMOBILES
OEM TSB listings for most GMC P35/P3500 VAN cars and light trucks sold in the U.S. from 1985+.
Document: BATTERY AND CHARGING SYSTEM ELECTRICAL DIAGNOSTICS - REVISED Vehicle: 1998 GMC P35/P3500 VAN 7.4 V8 GAS Auto Systems: |
Document: INFORMATION ON THE USE OF CUSTOMER CONCERN VERIFICATION SHEETS, COMEBACK PREVENTION, GM TECHNICAL ASSISTANCE INFORMATION FORM (TAC), STRATEGY BASED DIAGNOSTICS (SBD), INTERMITTENT CONCERNS DIAGNOSTICS AND REPEAT REPAIR LOG USE- REVISED Vehicle: 1990 GMC P35/P3500 VAN 5.7 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR GMC P35/P3500 VAN AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most GMC P35/P3500 VAN 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 P35/P3500 VAN 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 P35/P3500 VAN 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 P35/P3500 VAN 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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