2004 GMC Savana 3500 Brake Service (ONLINE REPAIR MANUALS)

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We have info for following modifications of 2004 GMC Savana 3500

  • 2004 GMC Savana 3500 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U
  • 2004 GMC Savana 3500 4.8 V8 GAS, CID:294, Fuel Injection, Aspiration:294, Engine VIN:, Desg:V

BRAKE SERVICE PROCEDURES FOR 2004 GMC Savana 3500 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 GMC Savana 3500 cars and light trucks from 1990+.

Hydraulic Brake Systems -> Brake System Bleed -> Hydraulic System Flush -> Manual Bleed -> Master Cylinder Bleed -> Parking Brake Bleed -> Pressure Bleed
Vehicle: 2004 GMC Savana 3500 4.8 V8 GAS

Manual Bleed

  • If vehicle is equipped with power brakes, remove vacuum reserve by applying brakes several times with engine off.
  • Fill master cylinder reservoirs with suitable brake fluid. Ensure to always keep master cylinder reservoirs at least half full during entire bleeding procedure.
  • If master cylinder is suspected to have air in bore, it must be bled first. To bleed master cylinder, proceed as follows:
    • Disconnect forward brake pipe connection at master cylinder.
    • Allow brake fluid to fill master cylinder bore until it begins to flow from forward pipe connector port.
    • Connect and ...

CLICK HERE TO GET FULL ACCESS TO 2004 GMC Savana 3500 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2004 GMC Savana 3500 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 GMC Savana 3500 cars and light trucks from 1990+.

Hydraulic Brake Systems -> Description -> Hydraulic Control Valves -> Master Cylinder
Vehicle: 2004 GMC Savana 3500 4.8 V8 GAS

Master Cylinder

Some vehicles use a conventional tandem master cylinder with two hydraulic pistons operating in-line. The primary piston controls the front brake system and the secondary piston controls the rear brake system.

Other models use a master cylinder that operates the same as the conventional master cylinder, but also incorporates a quick take-up feature in the rear chamber to reduce excessive pedal travel which may result from increased fluid displacement required to move the low drag caliper piston out against the rotor.

The quick take-up uses a spring-loaded ball check val...

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BRAKE SERVICE PROCEDURES FOR 2004 GMC Savana 3500 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 GMC Savana 3500 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 Savana 3500 4.8 V8 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 Savana 3500 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2004 GMC Savana 3500 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 GMC Savana 3500 cars and light trucks from 1990+.

Disc Brakes -> Delco Dual Piston Sliding Caliper -> Troubleshooting -> Brake Rattle -> Brake Roughness Or Chatter; Pedal Pumping -> Caliper Brake Fluid Leak -> Excessive Pedal Effort -> Excessive Pedal Travel -> Heavy Brake Drag -> No Braking Effect When Brake Pedal Is Depressed -> Pull, Uneven Or Grabbing Brakes -> Rear Brakes Locking On Application
Vehicle: 2004 GMC Savana 3500 6.0 V8 GAS

Excessive Pedal Travel

  • Worn brake linings.
  • Disc pads knock back after cornering or rough road travel.
  • Piston and linings not properly seated or positioned.
  • Insufficient fluid in system.
  • Loose wheel bearing adjustment.
  • Damaged or worn caliper piston seal.
  • Improper booster pushrod adjustment.
  • Pads out of flat more than .005 inch.
  • Rear brake automatic adjusters inoperative.
  • Improperly ground rear brake shoes.

Brake Roughness Or Chatter; Pedal Pumping

  • Excessive lateral runout of rotor.
  • Rotor excessively out of parallel.

Excessive Pedal Effort

  • Frozen or seized pistons.
  • Brake fluid, oil or grease on ...

CLICK HERE TO GET FULL ACCESS TO 2004 GMC Savana 3500 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2004 GMC Savana 3500 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 GMC Savana 3500 cars and light trucks from 1990+.

Power Brake Units -> Delco Brake Booster -> Troubleshooting -> Brakes Grab -> Hard Pedal -> Slow Or No Release
Vehicle: 2004 GMC Savana 3500 4.8 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 2004 GMC Savana 3500 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2004 GMC Savana 3500 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 GMC Savana 3500 cars and light trucks from 1990+.

Hydraulic Brake Systems -> Brake System Bleed -> Hydraulic System Flush -> Manual Bleed -> Master Cylinder Bleed -> Parking Brake Bleed -> Pressure Bleed
Vehicle: 2004 GMC Savana 3500 6.0 V8 GAS

Manual Bleed

  • If vehicle is equipped with power brakes, remove vacuum reserve by applying brakes several times with engine off.
  • Fill master cylinder reservoirs with suitable brake fluid. Ensure to always keep master cylinder reservoirs at least half full during entire bleeding procedure.
  • If master cylinder is suspected to have air in bore, it must be bled first. To bleed master cylinder, proceed as follows:
    • Disconnect forward brake pipe connection at master cylinder.
    • Allow brake fluid to fill master cylinder bore until it begins to flow from forward pipe connector port.
    • Connect and ...

CLICK HERE TO GET FULL ACCESS TO 2004 GMC Savana 3500 BRAKE SERVICE PROCEDURES

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