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2002 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 2002 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!
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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 2002 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 2002 GMC Envoy AUTOMOBILES

Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Expansion Tube (Orifice), Replace -> Astro & Safari -> Bravada, C, K, S & T Series -> G Series
Vehicle: 2002 GMC Envoy 4.2 L6 GAS

Astro & Safari
  • Remove air cleaner.
  • Recover refrigerant as outlined under .
  • Remove evaporator tube from evaporator.
  • Remove O-ring seal.
  • Use orifice tube removal tool No. J 26549-E, or equivalent, to remove orifice tube.
  • If you have difficulty removing a restricted or plugged expansion (orifice) tube, use following procedure:
    • Remove as much of any impacted residue as possible.
    • If system has a pressure switch near expansion (orifice) tube location, it should be removed prior to heating pipe to avoid damage t...

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BRAKE SERVICE PROCEDURES FOR 2002 GMC Envoy AUTOMOBILES

Disc Brakes -> Delco Dual Piston Sliding Caliper -> Precautions -> Brake Disc Service -> Brake Lines & Linings -> Brake Roughness -> General
Vehicle: 2002 GMC Envoy 4.2 L6 GAS

Brake Lines & Linings

Remove one of the front wheels and inspect the brake disc, caliper and linings.

Do not allow any oil or grease on the linings. It is recommended that linings be replaced in sets when worn or damaged.

If the caliper is cracked or fluid leakage through the casting is evident, it must be replaced as a unit.

Brake Roughness

The most common cause of brake chatter on disc brakes is a variation in thickness of the disc. If roughness or vibration is encountered during highway operation or if pedal pumping is experienced at low speeds, the disc may have excessive thickness v...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 2002 GMC Envoy 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: 2002 GMC Envoy 4.2 L6 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 2002 GMC Envoy AUTOMOBILES

DRIVESHAFT, Replace -> Front -> One Piece Driveshaft -> Rear -> Two Piece Driveshaft
Vehicle: 2002 GMC Envoy 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...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2002 GMC Envoy AUTOMOBILES

Starter, Replace
Vehicle: 2002 GMC Envoy XL 4.2 L6 GAS

Upon removal of starter, note if any shims are used. If shims are used, they should be installed in their original locations. After installation, if starter is noisy during cranking, remove one .015 inch double shim or add one .015 inch single shim to the outer bolt. If starter makes a high pitched whine after firing, add .015 inch double shims until noise ceases.

  • Disconnect battery ground cable.
  • Raise and...

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MAINTENANCE LAMP RESET PROCEDURES FOR 2002 GMC Envoy AUTOMOBILES

General Motors Corp./Saturn Trucks -> Air Cleaner Restriction Indicator ->
Vehicle: 2002 GMC Envoy 4.2 L6 GAS

An air cleaner restriction indicator, Fig. , is located in the intake duct between the MAF sensor and the air cleaner assembly.

If the window shows green, no service is required at this time. However, if...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2002 GMC Envoy AUTOMOBILES

Radiator, Replace
Vehicle: 2002 GMC Envoy 4.2 L6 GAS

  • Drain coolant from radiator into a suitable container, then disconnect upper coolant reservoir hose.
  • Remove upper fan shroud bolts, then shroud.
  • Disconnect and plug transmission fluid cooler lines.
  • D...

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SERPENTINE BELT SERVICE PROCEDURES FOR 2002 GMC Envoy AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2002 GMC Envoy XL 4.2 L6 GAS

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

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COMPONENT LOCATION DIAGRAMS FOR 2002 GMC Envoy AUTOMOBILES

Component location diagrams for most 2002 GMC Envoy cars and light trucks sold in the U.S. from 1990+.

Accelerator Diagram for 2002 GMC Envoy XL 4.2 L6 GASAccelerator Diagram for 2002 GMC Envoy XL 4.2 L6 GAS

Components on diagram:
  • Accelerator Pedal Position Sensor
  • Inflatable Restraint Sensing and Diagnostic Module Diagram for 2002 GMC Envoy  4.2 L6 GASInflatable Restraint Sensing and Diagnostic Module Diagram for 2002 GMC Envoy 4.2 L6 GAS

    Components on diagram:
  • Inflatable Restraint Sensing And Diagnostic Module
  • Lower Console
  • CLICK HERE TO GET FULL ACCESS TO 2002 GMC Envoy PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2002 GMC Envoy AUTOMOBILES

    OEM drawn wiring diagrams for most 2002 GMC Envoy cars and light trucks sold in the U.S.

    2002 GMC Envoy XL 4.2 L6 GAS Wiring Diagram2002 GMC Envoy XL 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Right Front Wheel Speed Sensor
  • Traction Control Switch
  • Traction OFF Indicator
  • Electronic Brake Control Module
  • Left Front Wheel Speed Sensor
  • 2002 GMC Envoy  4.2 L6 GAS Wiring Diagram2002 GMC Envoy 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Garage Door Opener
  • CLICK HERE TO GET FULL ACCESS TO 2002 GMC Envoy WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2002 GMC Envoy AUTOMOBILES

    OEM TSB listings for most 2002 GMC Envoy cars and light trucks sold in the U.S. from 1985+.

    Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2002 GMC Envoy 4.2 L6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • Document: New Website for AFIT, TPM, and VDR Updates
    Vehicle: 2002 GMC Envoy 4.2 L6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • CLICK HERE TO GET FULL ACCESS TO 2002 GMC Envoy TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2002 GMC Envoy AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2002 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 2002 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 2002 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 2002 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 2002 GMC Envoy SPECIFICATIONS DATA!

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

    Click here to view more details2005 GMC Envoy Bumper Cover, Rear.

    Source: Auto Body Parts Store

    $681.57

    Click here to view more details about 2009 GMC Envoy Antenna2009 GMC Envoy 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 details about 1998 GMC Envoy 15" x 7" Alloy Wheel1998 GMC Envoy 15" x 7" Alloy Wheel, Alloy Wheel; 15 X 7; 7 Spokes; 5 Lug; 4.75 Inch BP; Medium Gray, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $128.50

    Click here to view more details2005 GMC Envoy V8, 5.3 L, 322 CID Rebuilt Engine, 5.3 CHEVY,GMC, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,866.00

    Click here to view more details2002 GMC Envoy Used A/C Compressor, 4.2, AUTO, RWD, Very Good.

    Source: Used Auto Parts Store

    $118.00

    Click here to view more details2002 GMC Envoy Used Rear Lower Control Arm, Driver Side, 4.2, AUTO, 4X2, Very Good.

    Source: Used Auto Parts Store

    $83.00
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