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GMC Envoy 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 GMC Envoy 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 Envoy automobile. Try the Automotix DIY solution today!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    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 GMC Envoy 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 GMC Envoy 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 Envoy cars and light trucks from 1990+

    Component Replacement & Adjustment -> Bravada, Envoy, Rainer & TrailBlazer -> Technical Service Bulletins -> 2003 Bravada, Envoy & TrailBlazer -> 2004 Envoy & TrailBlazer -> Air Conditioning Inoperative/Intermittent, Blows Warm Air -> Blower Motor Runs Continuously After Vehicle is Turned Off
    Vehicle: 2004 GMC Envoy XUV 4.2 L6 GAS

    Blower Motor Runs Continuously After Vehicle is Turned Off

    2004 Envoy & TrailBlazer

    On some of these models equipped with manual control HVAC the blower motor runs after the vehicle has been turned off. The blower may run for just a few minutes or continuously until the battery is discharged.

    This condition may be caused by a new style blower relay/resistor may sticking in the on position. When the HVAC fan blower relay has been energized, the contacts may micro-weld together. After this occurrence, the blower may not respond to the HVAC control...

    CLICK HERE TO GET FULL ACCESS TO GMC Envoy A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR GMC Envoy AUTOMOBILES

    Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC Envoy cars and light trucks from 1990+.

    Power Brake Units -> Delco Brake Booster -> Troubleshooting -> Brakes Grab -> Hard Pedal -> Slow Or No Release
    Vehicle: 2005 GMC Envoy XL SLE 5.3 V8 GAS

    Hard Pedal

    • Internal vacuum leak.
    • Faulty control valve.
    • Broken or damaged hydraulic brake lines.
    • Collapsed or damaged vacuum hose.
    • Plugged or loose vacuum fitting.
    • Bad stud welds on front or rear housing on power head.
    • Faulty booster diaphragm.
    • Restricted air filter element.
    • Worn or distorted reaction plate or levers.
    • Cracked or broken pow...

    CLICK HERE TO GET FULL ACCESS TO GMC Envoy BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR GMC Envoy AUTOMOBILES

    Fuel filter replacement procedures with corresponding images for most domestic and imported GMC Envoy cars and light trucks sold in the U.S. for 1980+.

    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: 2006 GMC Envoy XL SLE 4.2 L6 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 ...

    CLICK HERE TO GET FULL ACCESS TO GMC Envoy FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR GMC Envoy AUTOMOBILES

    Includes CV axle, universal joint, and driveline replacement, for domestic and imported GMC Envoy cars and light trucks from 1990+.

    DRIVESHAFT, Replace -> Front -> One Piece Driveshaft -> Rear -> Two Piece Driveshaft
    Vehicle: 2005 GMC Envoy XUV SLE 4.2 L6 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 to the pinion flang...

    CLICK HERE TO GET FULL ACCESS TO GMC Envoy DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR GMC Envoy AUTOMOBILES

    Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported GMC Envoy cars and light trucks sold in the U.S. from mid 1990's+.

    Reset Procedures
    Vehicle: 2006 GMC Envoy XL SLE 4.2 L6 GAS

    When the Tire Pressure Monitor system detects a significant loss of tire pressure, the CHECK TIRE PRESSURE message is displayed on the DIC (Driver Inform...

    CLICK HERE TO GET FULL ACCESS TO GMC Envoy TIRE PRESSURE MONITORING SYSTEM PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR GMC Envoy AUTOMOBILES

    Includes starter and alternator replacement procedures for domestic and imported GMC Envoy cars and light trucks from 1990+.

    Alternator, Replace
    Vehicle: 2008 GMC Envoy Denali 5.3 V8 GAS

    • Disconnect battery ground cable.
    • Disconnect positive crankcase ventilation fresh air tube from air cleaner resonator outlet duct.
    • Loosen air cleaner outlet duct clamps at mass air flow intake air temperature sensor and at throttle body.
    • Remove air cleaner outlet duct bolt and duct.
    • Remove drive belt.
    • Disconnect engine wiring harness electrical connector from alternator.
    • Reposition altern...

    CLICK HERE TO GET FULL ACCESS TO GMC Envoy STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR GMC Envoy AUTOMOBILES

    Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC Envoy cars and light trucks sold in the U.S. from 1990+.

    General Motors Corp./Saturn Trucks -> Service Four Wheel Drive (4WD) System Warning Lamp ->
    Vehicle: 2003 GMC Envoy XL 4.2 L6 GAS

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

    CLICK HERE TO GET FULL ACCESS TO GMC Envoy MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR GMC Envoy AUTOMOBILES

    Includes radiator, cooling and heater hose replacement procedures for domestic and imported GMC Envoy cars and light trucks from 1990+

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 2009 GMC Envoy Denali 5.3 V8 GAS

    Lower

    • Drain cooling system into a suitable container.
    • Reposition hose clamp at radiator outlet and remove hose.
    • Reposition hose clamp at engine and remove hose.
    • Remove hose from vehicle.
    • Reverse procedure to install.

    Upper

    • Drain cooling system into a suitable container.
    • Remove ai...

    CLICK HERE TO GET FULL ACCESS TO GMC Envoy RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR GMC Envoy AUTOMOBILES

    Serpentine belt replacement procedures with corresponding images for most domestic and imported GMC Envoy cars and light trucks sold in the U.S. from 1990+.

    Serpentine Drive Belt, Replace
    Vehicle: 2007 GMC Envoy SLT 4.2 L6 GAS

    • Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from drive belt.
    • Remove t...

    CLICK HERE TO GET FULL ACCESS TO GMC Envoy SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR GMC Envoy AUTOMOBILES

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

    Engine Compartment Components Diagram for 2008 GMC Envoy SLT 4.2 L6 GASEngine Compartment Components Diagram for 2008 GMC Envoy SLT 4.2 L6 GAS

    Components on diagram:
  • Underhood Fuse Block
  • Ground G115
  • X111
  • J151
  • X103
  • Headlamp Leveling Actuator Diagram for 2007 GMC Envoy SLE 4.2 L6 GASHeadlamp Leveling Actuator Diagram for 2007 GMC Envoy SLE 4.2 L6 GAS

    Components on diagram:
  • Headlamp Leveling Actuator
  • CLICK HERE TO GET FULL ACCESS TO GMC Envoy PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR GMC Envoy AUTOMOBILES

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

    2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • Headlamp Leveling Switch
  • Headlamp Leveling Actuator -Left
  • Headlamp Leveling Actuator -Right
  • 2005 GMC Envoy XL SLT 5.3 V8 GAS Wiring Diagram2005 GMC Envoy XL SLT 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Ambient Air Temperature Sensor
  • Inside Rearview Mirror
  • CLICK HERE TO GET FULL ACCESS TO GMC Envoy WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR GMC Envoy AUTOMOBILES

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

    Document: INTERMITTENT, CURRENT OR HISTORY DTC B2476 IN ONSTAR GEN 6 OR 7 VCIM - REVISED
    Vehicle: 2005 GMC Envoy XUV SLT 5.3 V8 GAS

    Auto Systems:
  • Aux Equip, Phone, Jacks, Trailer Hitches, Towing
  • Document: SERVICE ALERT: CONCERNS WITH AFTERMARKET FUSES IN GM VEHICLES
    Vehicle: 2003 GMC Envoy XL 5.3 V8 GAS

    Auto Systems:
  • Chassis Electrical, Wiring, Fuses & Breakers, Wipers, Motors
  • CLICK HERE TO GET FULL ACCESS TO GMC Envoy TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR GMC Envoy AUTOMOBILES

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

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    Source: Auto Body Parts Store

    $256.29

    Click here to view more details about 2005 GMC Envoy Mirror, Passenger Side2005 GMC Envoy Mirror, Passenger Side.

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    $35.00

    Click here to view more details about 2005 GMC Envoy 18" X 8" Alloy Wheel2005 GMC Envoy 18" X 8" Alloy Wheel, ALLOY WHEEL, 18 X 8, 6 STUDS/LUGS, 5" BOLT DIA, 6 DOUBLE SPOKES, ALL POLISHED, DEALER ACCESSORY WHEEL, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $205.45

    Click here to view more details2005 GMC Envoy V8, 5.3 L, 322 CID Rebuilt Engine, 5.3 CHEVY,GMC, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $1,866.00

    Click here to view more details2002 GMC Envoy Used Exhaust Manifold, 674-777 NEW, AFTERMARKET.

    Source: Used Auto Parts Store

    $202.00

    Click here to view more details2006 GMC Envoy Used Running Board, Driver Side, SLE & SLT, Very Good.

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    $129.00
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