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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 Chevrolet Express 3500 car and truck
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BRAKE SERVICE PROCEDURES FOR 2004 Chevrolet Express 3500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Chevrolet Express 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 Chevrolet Express 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 ...
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BRAKE SERVICE PROCEDURES FOR 2004 Chevrolet Express 3500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Chevrolet Express 3500 cars and light trucks from 1990+.
Drum Brakes -> Brake Service -> Aztek, Rendezvous & Vue -> Canyon, Colorado, Sierra & Silverado -> Equinox & Torrent -> Express & Savana -> HHR -> Installation -> Montana, Silhouette, Trans Sport & Venture -> Removal -> Tracker
Vehicle: 2004 Chevrolet Express 3500 6.0 V8 GAS
Aztek, Rendezvous & Vue
Removal
- Raise and support vehicle.
- Mark relationship of drum to hub.
- Remove and discard retaining clip.
- Remove brake drum. If brake drum does not come off easily, proceed as follows:
- Loosen parking brake cable.
- Remove backing plate access hole plug.
- Disengage self adjuster by inserting suitable flat-bladed tool through backing plate access hole.
- Loosen adjuster screw by inserting another flat-bladed tool through access hole .
- Install access hole plug.
- Apply small amount of penetrating oil around brake drum center hole.
- Remove brake drum.
- Disengage adjuster spring hook e...
CLICK HERE TO GET FULL ACCESS TO 2004 Chevrolet Express 3500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 Chevrolet Express 3500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Chevrolet Express 3500 cars and light trucks from 1990+.
Hydraulic Brake Systems -> Adjustments -> Height Sensing Proportioning Valve
Vehicle: 2004 Chevrolet Express 3500 6.0 V8 GAS
Height Sensing Proportioning Valve
The height sensing proportioning valve must be adjusted whenever the valve and/or linkage is disassembled or removed for service. In addition, adjustment should be inspected if excessive front wheel lock-up is experienced with a lower than desired brake application rate when vehicle is at or near maximum GVWR.
- Raise and support vehicle, leave wheels on and allow axle to hang freely.
- Remove lever retaining nut and disconnect lever from valve shaft, Fig. .
- Rotate valve shaft to permit installation of correct adjustment gauge, Fig. , ensure D shaped hol...
CLICK HERE TO GET FULL ACCESS TO 2004 Chevrolet Express 3500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 Chevrolet Express 3500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Chevrolet Express 3500 cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Tightening Specifications
Vehicle: 2004 Chevrolet Express 3500 6.0 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 2004 Chevrolet Express 3500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 Chevrolet Express 3500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Chevrolet Express 3500 cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Caliper Service -> Assemble -> Disassemble -> Inspection -> Installation -> Removal
Vehicle: 2004 Chevrolet Express 3500 6.0 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 Chevrolet Express 3500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 Chevrolet Express 3500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Chevrolet Express 3500 cars and light trucks from 1990+.
Hydraulic Brake Systems -> Description -> Hydraulic Control Valves -> Master Cylinder
Vehicle: 2004 Chevrolet Express 3500 6.0 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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