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2003 Pontiac Grand Prix CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Pontiac 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!

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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 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!
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    Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Pontiac mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 2003 Pontiac Grand Prix vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

    A/C & HEATER SERVICE PROCEDURES FOR 2003 Pontiac Grand Prix AUTOMOBILES

    Manual Air Conditioning & Heater System Diagnosis & Testing -> Technical Service Bulletins -> Poor Air Conditioning Performance -- Will Not Blow Cold Enough -> 2003 Sierra & Silverado
    Vehicle: 2003 Pontiac Grand Prix 3.8 V6 GAS

    2003 Sierra & Silverado

    On some of these models equipped with 6.6L diesel engine the air conditioning performance is less than desirable, especially when ambient temperature is more than 90°F.

    To correct this condition perform system inspects as follow:

    • Calibrate actuators
    • Inspect lower condenser deflector for proper installation. Deflector should be positioned at lower part of condenser and extend forward into top of front bumper and below two fresh air intake holes.
    • Inspect engine coo...

    CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Grand Prix A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 2003 Pontiac Grand Prix AUTOMOBILES

    Anti-lock Brakes -> Bosch Type 5.3 -> Description -> Brake Pressure Modulator Valve -> Electronic Brake Traction Control Module -> Pump Motor -> Pump Motor & Solenoid Relays -> Solenoid Valves -> System Components -> System Operation -> Wheel Speed Sensors
    Vehicle: 2003 Pontiac Grand Prix 3.8 V6 GAS

    System Operation

    The Bosch Anti-Lock Brake System (ABS) with Traction Control System (TCS) minimizes wheel lock-up during heavy braking on most road surfaces to improve driver control. ABS monitors each wheel's speed and controls brake fluid pressure to each front wheel independently and both rear wheels simultaneously.

    A separate hydraulic line and solenoid valve for each front wheel, and one hydraulic line and solenoid valve for both rear wheels allow hydraulic pressure to be modulated, preventing wheel lock-up. The ABS can decrease, hold or increase hydraulic pressure.

    The system c...

    CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Grand Prix BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 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: 2003 Pontiac Grand Prix 3.1 V6 GAS

    CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Grand Prix FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Pontiac Grand Prix AUTOMOBILES

    CV AXLE SHAFT, Replace
    Vehicle: 2003 Pontiac Grand Prix 3.1 V6 GAS

    • Raise and suitably support vehicle.
    • Remove wheel and tire.
    • Remove stabilizer shaft link.
    • Remove front wheel drive shaft nut. Insert a drift or a flat-bladed tool into caliper and rotor to prevent rotor from turning.
    • Disconnect outer tie rod assembly from steering knuckle.
    • Separate ball joint from steering knuckle. Do not attempt to move vehicle with drive axle(s) removed from wheel bearing. Wheel(s) could fall off, dropping vehicle to ground and causing personal injury or damage to vehicle.
    • Separate front wheel drive axle from front wheel drive shaft bearing using a suitable pu...

    CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Grand Prix DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Pontiac Grand Prix AUTOMOBILES

    Alternator, Replace
    Vehicle: 2003 Pontiac Grand Prix 3.8 V6 GAS

    • Disconnect battery ground cable.
    • Remove serpentine drive belt tension by rotating drive belt tensioner counterclockwise using a suitable breaker bar.
    • Remo...

    CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Grand Prix STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Pontiac Grand Prix AUTOMOBILES

    General Motors Corp./Saturn Cars -> Air Bag Warning Lamp ->
    Vehicle: 2003 Pontiac Grand Prix 3.8 V6 GAS

    This lamp should light for a approximately 6-8 seconds when the ignition is turned on as a bulb check. If the air b...

    CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Grand Prix MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Pontiac Grand Prix AUTOMOBILES

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 2003 Pontiac Grand Prix 3.1 V6 GAS

    Lower

    • Disconnect negative battery cable.
    • Drain cooling system into a suitable container.
    • Reposition hose clamp from water pump.
    • Remove radiator outlet hose from water pump.
    • Remove lower radiator air deflector.
    • Reposition hose clamp from radiator.
    • Remove radiator outlet hose from radiator and vehicle.
    • Reverse procedure to ...

    CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Grand Prix RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Pontiac Grand Prix AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 2003 Pontiac Grand Prix 3.8 V6 GAS

    • Rotate tensioner counterclockwise to remove the dri...

    CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Grand Prix SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 2003 Pontiac Grand Prix AUTOMOBILES

    Component location diagrams for most 2003 Pontiac Grand Prix cars and light trucks sold in the U.S. from 1990+.

    Right Side of Engine Compartment Diagram for 2003 Pontiac Grand Prix  3.1 V6 GASRight Side of Engine Compartment Diagram for 2003 Pontiac Grand Prix 3.1 V6 GAS

    Components on diagram:
  • Battery
  • Fuse Block
  • Positive Battery Terminal
  • Left Rear of Vehicle Diagram for 2003 Pontiac Grand Prix  3.8 V6 GASLeft Rear of Vehicle Diagram for 2003 Pontiac Grand Prix 3.8 V6 GAS

    Components on diagram:
  • Evaporative Emission Canister Vent Solenoid
  • Evaporative Emission Canister Vent Solenoid Connector
  • CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Grand Prix PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 Pontiac Grand Prix AUTOMOBILES

    OEM drawn wiring diagrams for most 2003 Pontiac Grand Prix cars and light trucks sold in the U.S.

    2003 Pontiac Grand Prix  3.8 V6 GAS Wiring Diagram2003 Pontiac Grand Prix 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Turn Signal/Hazard Flasher Module
  • Stop Lamp Switch
  • Multifunction Turn Signal Lever
  • Tail/Stop And Turn Signal Lamp-Left
  • Tail/Stop And Turn Signal Lamp-Right
  • 2003 Pontiac Grand Prix  3.8 V6 GAS Wiring Diagram2003 Pontiac Grand Prix 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Driver Information Center
  • Door Lock-Rr
  • Door Lock-Driver
  • CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Grand Prix WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 Pontiac Grand Prix AUTOMOBILES

    OEM TSB listings for most 2003 Pontiac Grand Prix cars and light trucks sold in the U.S. from 1985+.

    Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2003 Pontiac Grand Prix 3.8 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • Document: New Website for AFIT, TPM, and VDR Updates
    Vehicle: 2003 Pontiac Grand Prix 3.8 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Grand Prix TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 Pontiac Grand Prix AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 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 2003 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 2003 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 2003 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

    CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Grand Prix SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details about 2008 Pontiac Grand Prix Antenna2008 Pontiac Grand Prix Antenna, 4-section mast; 1200 mm cable; With top and side key; A high quality universal fender mount antenna; May require modification or other adjustment to your vehicle upon installation; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $5.62

    Click here to view more details1996 Pontiac Grand Prix Coolant Temperature Sensor, 3/8 in. x 18 NPT thread size; Pin type; With 2-prong male terminal; AutoTrust Platinum products are guaranteed to meet or exceed the original manufacturer's standards and quality; <b>Backed by a 5-year unlimited warranty</b>; If the part breaks or is damaged anytime within 5 years from purchase, simply cover shipping and handling and we will send you a new part - even if we have already sent you a new product and it becomes damaged again..

    Source: Auto Body Parts Store

    $7.34

    Click here to view more details about 2004 Pontiac Grand Prix 17" X 7" Alloy Wheel2004 Pontiac Grand Prix 17" X 7" Alloy Wheel, ALLOY WHEEL, 17 X 7, 5 STUDS/LUGS, 115MM BOLT DIA, 5 V SPOKES, MACHINED WITH GRAY VENTS, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $114.45

    Click here to view more details1989 Pontiac Grand Prix V6, 2.8 L, 173 CID Rebuilt Engine, FWD, MFI, trigger fire ignition, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $1,348.00

    Click here to view more details2000 Pontiac Grand Prix Used Air Flow Meter/Sensor, 3.4, AUTO, FWD 3.4L, Very Good.

    Source: Used Auto Parts Store

    $85.00

    Click here to view more details2008 Pontiac Grand Prix Used Engine Computer, ELEC CONT UNIT (ECU); (BEHIND FAN SHROUD), Very Good.

    Source: Used Auto Parts Store

    $87.00
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