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1990 Pontiac Grand Prix CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Pontiac REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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 1990 Pontiac Grand Prix car and truck
repair procedures including Pontiac 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 Pontiac Grand Prix automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1990 Pontiac Grand Prix AUTOMOBILES
A/C & Cooling System Maintenance -> General Motors Corp. -> 1990-2002 Buick Regal, Chevrolet Lumina & Monte Carlo, Oldsmobile Cutlass Supreme & Intrigue & Pontiac Grand Prix & 1997-2002 Buick Century & 2000-02 Impala
Vehicle: 1990 Pontiac Grand Prix Mclaren 3.1 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 1990 Pontiac Grand Prix AUTOMOBILES
DISC BRAKES, GENERAL MOTORS -> Delco-Moraine Dual Piston w/Dual Mounting Bolts -> DESCRIPTION
Vehicle: 1990 Pontiac Grand Prix LE 2.3 L4 GAS
This dual piston sliding caliper, Fig. , is comprised of two interconnected bores and is attached to a mounting bracket with two mounting bolts. Hydraulic p...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Pontiac Grand Prix AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1980-06 Gasoline Engine Models Except Catera, LeMans (1988-93) Metro, Nova (1985-88), Saturn & Sprint -> Normal Service -> Severe Service
Vehicle: 1990 Pontiac Grand Prix STE 3.1 V6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Pontiac Grand Prix AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1990 Pontiac Grand Prix SE 3.1 V6 GAS
- Disconnect battery ground cable.
- Raise and support vehicle, then remove wheel and tire assembly.
- Install drive axle seal protector J-34754 or equivalent on outer joint.
- Insert a screwdriver or drift into caliper and rotor to prevent rotor from turning and remove hub nut and washer.
- Remove lower ball joint cotter pin and nut, then loosen joint using a suitable puller or tool No. J-29330. If right axle is being removed, turn wheel to left, if left axle is being removed, turn wheel to right.
- Insert a prybar between suspension support and lower control arm and sepa...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Pontiac Grand Prix AUTOMOBILES
Alternator, Replace
Vehicle: 1990 Pontiac Grand Prix LE 2.3 L4 GAS
- Disconnect battery ground cable.
- Remove throttle body air inlet duct, then apply parking brake.
- Place transaxle in neutral gear position.
- Remove engine mount strut bolts and position mount aside.
- Install suitable engine ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Pontiac Grand Prix AUTOMOBILES
General Motors Corp./Saturn Cars -> Check Engine Or Service Now Soon Engine Indicator Lamps (Gasoline Engines w/Electronic Engine Controls Or EFI) -> Except LeMans, Metro, Prizm, Storm & Vibe
Vehicle: 1990 Pontiac Grand Prix Mclaren 3.1 V6 GAS
The Check Engine lamp should light when the ignition is turned On. When the engine is started, the lamp should go off. If the lamp remains on for 10 seconds or constantly after the engine is started, the self diagnosis system has detected a fault condition and has stored a code in the system Electronic Control Module (ECM) or Powertrain Control Module (PCM). After diagnosis and repair, the ECM memory can be cleared of codes as follows:
On models except Cadillac with DEFI, remove the ECM/PCM fuse or disconnect the battery ground cable for approximately 30...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Pontiac Grand Prix AUTOMOBILES
Radiator, Replace
Vehicle: 1990 Pontiac Grand Prix STE 3.1 V6 GAS
- Remove air cleaner assembly, then drain coolant into a suitable container.
- Remove engine strut upper brace bolts from upper tie bar and rotate strut and brace rearward.
- Disconnect upper radiator mounting panel bolts and clamps.
- Disconnect cooling fan e...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Pontiac Grand Prix AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 Pontiac Grand Prix STE 3.1 V6 GAS
- Remove belt guard.
- Lift or rotate tensioner usin...
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COMPONENT LOCATION DIAGRAMS FOR 1990 Pontiac Grand Prix AUTOMOBILES
Component location diagrams for most 1990 Pontiac Grand Prix cars and light trucks sold in the U.S. from 1990+.
 Oxygen Sensor Diagram for 1990 Pontiac Grand Prix LE 2.3 L4 GASComponents on diagram: |
 Engine Compartment Components Diagram for 1990 Pontiac Grand Prix STE 3.1 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1990 Pontiac Grand Prix AUTOMOBILES
OEM drawn wiring diagrams for most 1990 Pontiac Grand Prix cars and light trucks sold in the U.S.
 1990 Pontiac Grand Prix STE 3.1 V6 GAS Wiring DiagramComponents on diagram: |
 1990 Pontiac Grand Prix STE 3.1 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 Pontiac Grand Prix AUTOMOBILES
OEM TSB listings for most 1990 Pontiac Grand Prix cars and light trucks sold in the U.S. from 1985+.
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Document: Car and Truck Fix It Right the First Time Issues Vehicle: 1990 Pontiac Grand Prix LE 3.1 V6 GAS Auto Systems: |
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Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED Vehicle: 1990 Pontiac Grand Prix LE 3.1 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Pontiac Grand Prix AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Pontiac Grand Prix 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 1990 Pontiac Grand Prix 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 1990 Pontiac Grand Prix 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 1990 Pontiac Grand Prix 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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