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2003 GMC Savana 1500 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC 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 GMC Savana 1500 car and truck repair procedures including GMC 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 GMC Savana 1500 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 GMC 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 GMC Savana 1500 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 GMC Savana 1500 AUTOMOBILES

Component Replacement & Adjustment -> Express & Savana -> Heating, Ventilation & Air Condition (HVAC) Module, Replace -> Auxiliary
Vehicle: 2003 GMC Savana 1500 4.3 V6 GAS

Auxiliary

  • Recover refrigerant as outlined in .
  • Drain engine coolant into suitable container.
  • Rotate and pull locking pin out of riser, then remove rear seat.
  • Remove shoulder/seat belt guide adjuster cover using suitable flat-bladed tool.
  • Remove mounting bolts and shoulder/seat belt guide from adjuster.
  • Disconnect clips and remove front door upper pillar garnish molding.
  • Remove seat belt through front lower pillar garnish molding slot.
  • Remove two screws, disconnect clips and remove front ...

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BRAKE SERVICE PROCEDURES FOR 2003 GMC Savana 1500 AUTOMOBILES

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: 2003 GMC Savana 1500 4.3 V6 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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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 GMC Savana 1500 AUTOMOBILES

General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Pressure Relief -> Except Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Tracker & Uplander -> Engine Fuel Pressure Service Port -> Engines Less Fuel Pressure Service Port
Vehicle: 2003 GMC Savana 1500 5.3 V8 GAS

Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.

Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.

After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strategy.

Engines Less Fuel Pressure ...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 GMC Savana 1500 AUTOMOBILES

DRIVESHAFT, Replace -> Front -> One Piece Driveshaft -> Rear -> Two Piece Driveshaft
Vehicle: 2003 GMC Savana 1500 5.3 V8 GAS

Front

  • Raise and support vehicle.
  • Mark the front U-joint to the pinion yoke on the front differential.
  • Mark the relationship of the rear U-joint to the transfer case drive flange.
  • Remove the retaining nuts and bolts from the drive flange.
  • Remove the clamps and retaining bolts from the front drive axle pinion flange.
  • Remove the front propeller shaft from the vehicle.
  • Using tape and or a rubber band, wrap the front U-joint bearing caps to ensure the caps do not separate from the U-joint.
  • Reverse procedure to install, noting the following:
    • Torque front propeller shaft retainer bolts 18 f...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 GMC Savana 1500 AUTOMOBILES

Alternator, Replace
Vehicle: 2003 GMC Savana 1500 5.3 V8 GAS

  • Disconnect battery ground cable.
  • Remove coolant reservoir and air cleaner.
  • Remove upper fan shroud.
  • Remove drive belt.
  • Remove heater hose pipe from alternator and oil fill tubes from support bracket.
  • Remove alternator ...

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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 GMC Savana 1500 AUTOMOBILES

General Motors Corp./Saturn Trucks -> Anti-Lock Brake System Warning Lamp ->
Vehicle: 2003 GMC Savana 1500 4.3 V6 GAS

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

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 GMC Savana 1500 AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 GMC Savana 1500 5.3 V8 GAS

Lower

  • Drain cooling system into a suitable container.
  • Reposition hose clamp from surge tank.
  • Remove radiator outlet hose from surge tank.
  • Raise and support vehicle.
  • Remove push pin from small inner wheel panel and position aside.
  • Reposition heater hose to radiator outlet hose clamp using hose clamp pliers J 38185.
  • Remove heater hose from radiator outlet hose.
  • Remove radiator outlet hose to radiator re...

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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 GMC Savana 1500 AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2003 GMC Savana 1500 5.3 V8 GAS

  • Rotate tensioner clockwise to release belt tension using suitable wrench, then remove belt.
  • Route belt over pulleys excep...

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COMPONENT LOCATION DIAGRAMS FOR 2003 GMC Savana 1500 AUTOMOBILES

Component location diagrams for most 2003 GMC Savana 1500 cars and light trucks sold in the U.S. from 1990+.

Engine Harness  Diagram for 2003 GMC Savana 1500  4.3 V6 GASEngine Harness Diagram for 2003 GMC Savana 1500 4.3 V6 GAS

Components on diagram:
  • Heated Oxygen Sensor Connector
  • Ground G-102
  • Ground G-103
  • Camshaft Position Sensor Connector
  • Knock Sensor Connector
  • Body Rear End Component Views Diagram for 2003 GMC Savana 1500  5.3 V8 GASBody Rear End Component Views Diagram for 2003 GMC Savana 1500 5.3 V8 GAS

    Components on diagram:
  • Body Control Module
  • Fuse Block
  • I/P Harness
  • C204
  • C205
  • CLICK HERE TO GET FULL ACCESS TO 2003 GMC Savana 1500 PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 GMC Savana 1500 AUTOMOBILES

    OEM drawn wiring diagrams for most 2003 GMC Savana 1500 cars and light trucks sold in the U.S.

    2003 GMC Savana 1500  4.3 V6 GAS Wiring Diagram2003 GMC Savana 1500 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Radio Antenna
  • Speaker-Right Front Door
  • Speaker-Left Front Door
  • 2003 GMC Savana 1500  4.3 V6 GAS Wiring Diagram2003 GMC Savana 1500 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Stop Lamp Switch
  • Electronic Brake Control Module
  • Antilock Brake System Indicator
  • Instrument Panel Logic
  • Antilock Brake System/Torque Converter Clutch Switch
  • CLICK HERE TO GET FULL ACCESS TO 2003 GMC Savana 1500 WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 GMC Savana 1500 AUTOMOBILES

    OEM TSB listings for most 2003 GMC Savana 1500 cars and light trucks sold in the U.S. from 1985+.

    Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2003 GMC Savana 1500 4.3 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • Document: Front or Rear Axle Vent Hose Fluid Leak
    Vehicle: 2003 GMC Savana 1500 4.3 V6 GAS

    Symptoms:
  • Leaks
  • CLICK HERE TO GET FULL ACCESS TO 2003 GMC Savana 1500 TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 GMC Savana 1500 AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 GMC Savana 1500 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 GMC Savana 1500 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 GMC Savana 1500 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 GMC Savana 1500 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 GMC Savana 1500 SPECIFICATIONS DATA!

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

    Click here to view more details2002 GMC Savana 1500 Intake Manifold Gasket, Includes upper set; A high quality, OE replacement intake manifold gasket set; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $43.61

    Click here to view more details about 2002 GMC Savana 1500 Control Arm, Front, Driver Side2002 GMC Savana 1500 Control Arm, Front, Driver Side, Includes ball joint and bushings; A high quality, direct fit OE replacement control arm..

    Source: Auto Body Parts Store

    $94.89

    Click here to view more details1972 GMC Pickup Fullsize C/K Heater Hose Bracket Set For Most GM Models, Heater Hose Bracket Set For Most GM Models; Inner Fender/Alternator Bracket, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $9.50

    Click here to view more details2002 GMC Savana 1500 V8, 5.7 L, 350 CID Rebuilt Engine, 2-bolt Metric Block, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,769.00

    Click here to view more details1997 GMC Savana 1500 Used Ignition Switch W/Key, W/KEY, Very Good.

    Source: Used Auto Parts Store

    $61.00

    Click here to view more details1999 GMC Savana 1500 Used Steering Gear, 5.7, AUTO, RWD, PS Power Steering, Very Good.

    Source: Used Auto Parts Store

    $167.00
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