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1991 Pontiac Trans Sport 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 1991 Pontiac Trans Sport 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 Trans Sport automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1991 Pontiac Trans Sport AUTOMOBILES
A/C & Cooling System Maintenance -> General Motors Corp. -> 1990-2002 Chevrolet Lumina APV & Venture, Oldsmobile Silhouette & Pontiac Montana & Trans Sport
Vehicle: 1991 Pontiac Trans Sport 3.1 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Pontiac Trans Sport AUTOMOBILES
ANTI-LOCK BRAKES, GENERAL MOTORS -> Rear Wheel Anti-Lock Brake System -> SYSTEM SERVICE -> ELECTRONIC CONTROL UNIT (ECU) -> Except G, R, P & V Models -> G, R, P & V Models -> ISOLATION/DUMP VALVE ASSEMBLY -> SPEED SENSOR -> SPEEDOMETER CALIBRATION
Vehicle: 1991 Pontiac Trans Sport 3.1 V6 GAS
ELECTRONIC CONTROL UNIT (ECU)
Do not touch electrical connections and pins or allow them to come into contact with brake fluid.
- Disconnect battery ground cable.
- Disconnect electrical connectors from ECU.
- Pry up tab at rear of ECU and remove unit toward front of vehicle.
- Slide unit into bracket until tab locks into hole.
- Inspect electrical connectors for brake fluid contamination, clean with alcohol as needed, then connect electrical connectors to ECU.
ISOLATION/DUMP VALVE ASSEMBLY
- Disconnect brake lines from control valve, the plug lines and open fittings.
- Remove bolts (25) securing...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Pontiac Trans Sport AUTOMOBILES
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> Gasoline Engines Except Equinox, Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Uplander & Vue (2004-06) & 2004-06 Envoy, Rainier & TrailBlazer -> Returnless Fuel System
Vehicle: 1991 Pontiac Trans Sport 3.1 V6 GAS
Returnless Fuel System
On models equipped with fuel injected engines, relieve fuel system pressure as outlined under "Fuel System Pressure Relief."
On models equipped with metal collar quick disconnect connectors, GM tool No. J37088-A, or equivalent, will be required to disconnect the connector. Pri...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Pontiac Trans Sport AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1991 Pontiac Trans Sport 3.1 V6 GAS
- Raise and support the vehicle.
- Remove wheel.
- Remove stabilizer shaft link.
- Insert a drift or a flat-bladed tool into caliper and rotor in order to prevent rotor from turning.
- Remove front wheel drive shaft nut.
- Disconnect tie rod ball stud from steering knuckle.
- Separate ball joint from steering knuckle.
- Use hub spindle remover tool No. J 28733-B or equivalent in order to remove front wheel drive axle from front wheel drive shaft bearing. Partially install front wheel drive axle nut in order to protect threads.
- For righthand drive axle, separate drive axle from transaxle, using a...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Pontiac Trans Sport AUTOMOBILES
Alternator, Replace
Vehicle: 1991 Pontiac Trans Sport 3.1 V6 GAS
- Disconnect battery ground cable at battery.
- Remove drive belt.
- Remove air cleaner assembly.
- Remove nut and cable from B+ terminal.
- Remove electrical connector.
- Remove rear brace mounting bolt.
- Remove bolt retaining rear brace to righthand exhaust manifold and remove brace.
- Remove alternator mounting bolts.
- Remov...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Pontiac Trans Sport AUTOMOBILES
General Motors Corp./Saturn Trucks -> Low Coolant Lamp ->
Vehicle: 1991 Pontiac Trans Sport 3.1 V6 GAS
This lamp should light when engine coolant level in the radiator drops below a predetermined le...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Pontiac Trans Sport AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1991 Pontiac Trans Sport 3.1 V6 GAS
Lower
- Drain coolant into a suitable container.
- Loosen hose clamp connecting hose to radiator.
- Loosen hose clamp connecting hose to water pump inlet.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Pontiac Trans Sport AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Pontiac Trans Sport 3.1 V6 GAS
- Remove belt guard.
- Install a 3/8 inch drive wrench on drive belt tensioner arm and rotate ...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Pontiac Trans Sport AUTOMOBILES
Component location diagrams for most 1991 Pontiac Trans Sport cars and light trucks sold in the U.S. from 1990+.
 Ignition Switch Diagram for 1991 Pontiac Trans Sport 3.1 V6 GASComponents on diagram: |
 Oil Pressure Sender & Fuel Pump Switch Diagram for 1991 Pontiac Trans Sport 3.1 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1991 Pontiac Trans Sport AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Pontiac Trans Sport cars and light trucks sold in the U.S.
 1991 Pontiac Trans Sport 3.1 V6 GAS Wiring DiagramComponents on diagram: |
 1991 Pontiac Trans Sport 3.1 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Pontiac Trans Sport AUTOMOBILES
OEM TSB listings for most 1991 Pontiac Trans Sport 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: 1991 Pontiac Trans Sport 3.1 V6 GAS Auto Systems: |
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Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED Vehicle: 1991 Pontiac Trans Sport 3.1 V6 GAS Auto Systems: |
CLICK HERE TO GET FULL ACCESS TO 1991 Pontiac Trans Sport TECHNICAL SERVICE BULLETINS!
COMPONENT/PARTS SPECIFICATIONS FOR 1991 Pontiac Trans Sport AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Pontiac Trans Sport 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 Pontiac Trans Sport 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 Pontiac Trans Sport 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 Pontiac Trans Sport 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
CLICK HERE TO GET FULL ACCESS TO 1991 Pontiac Trans Sport SPECIFICATIONS DATA!
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