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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 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 2004 GMC Envoy automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2004 GMC Envoy
- 2004 GMC Envoy 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S
- 2004 GMC Envoy XL 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S
- 2004 GMC Envoy XL 5.3 V8 GAS, CID:323, Fuel Injection, Aspiration:323, Engine VIN:, Desg:P
- 2004 GMC Envoy XUV 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S
- 2004 GMC Envoy XUV 5.3 V8 GAS, CID:323, Fuel Injection, Aspiration:323, Engine VIN:, Desg:P
BRAKE SERVICE PROCEDURES FOR 2004 GMC Envoy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 GMC Envoy cars and light trucks from 1990+.
Anti-Lock Brakes -> Kelsey-Hayes -> System Service -> Brake Pressure Modulator Valve (BPMV) -> Brake System Bleed -> Component Replacement -> Electronic Brake Control Module (EBCM) -> Front Wheel Speed Sensor -> Manual Bleed -> Pressure Bleed
Vehicle: 2004 GMC Envoy XUV 4.2 L6 GAS
Brake System Bleed
Gravity and vacuum bleeding procedures are not recommended for use with the anti-lock brake system. The manual bleed procedure is the preferred method, although pressure bleeding is also possible. Do not pump the brake pedal during the bleeding process, as fluid aeration may occur.
Manual Bleed
- Raise and support vehicle, then connect a clear plastic tube to brake bleed screw at righthand rear wheel.
- Place free end of tube in a glass jar partially filled with clean brake fluid. Ensure end of tube remains submerged in fluid and master cylinder reservoir is kept full.
- ...
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BRAKE SERVICE PROCEDURES FOR 2004 GMC Envoy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 GMC Envoy cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Caliper Service -> Assemble -> Disassemble -> Inspection -> Installation -> Removal
Vehicle: 2004 GMC Envoy XUV 5.3 V8 GAS
Removal
- Siphon 2/3 of the brake fluid from master cylinder.
- Raise and support vehicle.
- Remove tire and wheel assembly.
- Compress caliper pistons until they bottom in bores using suitable clamp, Fig. .
- Disconnect brake hose at caliper by removing inlet fitting bolt.
- Remove mounting bolts and caliper.
Inspection
Should it become required to remove the caliper for installation of new components, clean components in denatured alcohol, wipe dry using lint-free cloths. Blow out drilled passages and holes using compressed air. Inspect dust boots for punctures or tears. If punctures or tears are...
CLICK HERE TO GET FULL ACCESS TO 2004 GMC Envoy BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 GMC Envoy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 GMC Envoy cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Precautions -> Brake Disc Service -> Brake Lines & Linings -> Brake Roughness -> General
Vehicle: 2004 GMC Envoy XL 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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BRAKE SERVICE PROCEDURES FOR 2004 GMC Envoy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 GMC Envoy cars and light trucks from 1990+.
Power Brake Units -> Delco Brake Booster -> Power Brake Unit, Replace -> Astro, Avalanche, Escalade EXT, Safari, Sierra, Silverado & SSR -> Aztek & Rendezvous -> Blazer, Bravada, Envoy, Jimmy, Rainier & Trailblazer -> Canyon, Colorado, Sonoma & S10 -> Equinox & Torrent -> Escalade, HHR, Suburban, Tahoe & Yukon -> Express & Savana -> Hummer H2 -> Hummer H3 -> Montana, Silhouette & Venture -> Relay, Terraza, SV6 & Uplander -> SRX -> Vue
Vehicle: 2004 GMC Envoy 4.2 L6 GAS
Aztek & Rendezvous
- Remove coolant reservoir, then relieve fuel system pressure as follows:
- Loosen fuel filler cap to discharge tank pressure.
- Connect fuel pressure gauge tool No. J-34730-1A, or equivalent, to fuel pressure connection. Wrap shop towel around connection while connecting fuel pressure gauge in order to avoid fuel spillage.
- Install bleed hose into an approved container and open valve in order to bleed fuel system pressure.
- Drain any fuel remaining in fuel pressure gauge into suitable container.
- Remove cruise control cable from module, then disconnect electrical ...
CLICK HERE TO GET FULL ACCESS TO 2004 GMC Envoy BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 GMC Envoy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 GMC Envoy cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Rotor, Replace
Vehicle: 2004 GMC Envoy XUV 4.2 L6 GAS
- Raise and support vehicle, then remove wheel and tire assemblies.
- Compress caliper pistons until they bottom in bores using suitable clamp.
- Remove calip...
CLICK HERE TO GET FULL ACCESS TO 2004 GMC Envoy BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 GMC Envoy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 GMC Envoy cars and light trucks from 1990+.
Power Brake Units -> Delco Brake Booster -> Power Brake Unit Service
Vehicle: 2004 GMC Envoy XL 5.3 V8 GAS
The power brake unit is n...
CLICK HERE TO GET FULL ACCESS TO 2004 GMC Envoy BRAKE SERVICE PROCEDURES
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