2004 Buick Rainier Brake Service (ONLINE REPAIR MANUALS)

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We have info for following modifications of 2004 Buick Rainier

  • 2004 Buick Rainier 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S
  • 2004 Buick Rainier 5.3 V8 GAS, CID:323, Fuel Injection, Aspiration:323, Engine VIN:, Desg:P

BRAKE SERVICE PROCEDURES FOR 2004 Buick Rainier AUTOMOBILES

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

Disc Brakes -> Delco Dual Piston Sliding Caliper -> Caliper Service -> Assemble -> Disassemble -> Inspection -> Installation -> Removal
Vehicle: 2004 Buick Rainier 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...

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BRAKE SERVICE PROCEDURES FOR 2004 Buick Rainier AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Buick Rainier 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 Buick Rainier 5.3 V8 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 Buick Rainier AUTOMOBILES

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

Disc Brakes -> Delco Dual Piston Sliding Caliper -> Description
Vehicle: 2004 Buick Rainier 4.2 L6 GAS

The caliper mounts in a way that allows the caliper to move laterally inboard as the brake pads wear. The caliper housing is a one piece casting with the inboard side containing the piston bore. The piston seal also acts as a return mechanism for the piston.

Applying the brake pedal causes the hydraulic pressure that moves the caliper piston. The piston then forces the inboard brake pad against the inboard braking surface of the rotor. Increasing the force against...

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BRAKE SERVICE PROCEDURES FOR 2004 Buick Rainier AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Buick Rainier 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 Buick Rainier 5.3 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 Buick Rainier AUTOMOBILES

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

Disc Brakes -> Delco Single Piston Sliding Caliper -> Description
Vehicle: 2004 Buick Rainier 4.2 L6 GAS

The caliper assembly slides on its mounting surfaces, Fig. . Upon brake application, hydraulic pressure against the piston forces the inboard pad against the inboard...

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BRAKE SERVICE PROCEDURES FOR 2004 Buick Rainier AUTOMOBILES

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

Anti-Lock Brakes -> Kelsey-Hayes -> Diagnosis & Testing -> 2002 -> 2002-03 -> 2003-06 -> 2004-06 -> Accessing Diagnostic Trouble Codes -> Astro, Blazer, Jimmy, Safari, Sonoma, SSR & S10 -> Avalanche, Escalade, Escalade EXT, Suburban, Tahoe & Yukon -> Bravada, Envoy, Rainier & Trailblazer -> Clearing Diagnostic Trouble Codes -> Connector Pin Identification -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Express & Savana -> Intermittents & Poor Connections -> Sierra & Silverado -> Symptom Tests -> Temperature Vs. Resistance
Vehicle: 2004 Buick Rainier 4.2 L6 GAS

Accessing Diagnostic Trouble Codes

Connect a suitably programmed scan tool to Data Link Connector (DLC) and follow manufacturers instructions.

Diagnostic Trouble Code Interpretation

Astro, Blazer, Jimmy, Safari, Sonoma, SSR & S10
[[table data]]
Avalanche, Escalade, Escalade EXT, Suburban, Tahoe & Yukon
2002
[[table data]]
2003-06
[[table data]]
Bravada, Envoy, Rainier & Trailblazer
2002-03
[[table data]]
2004-06
[[table data]]
Express & Savana
2002
[[table data]]
2003-06
[[table data]]
Sierra & Silverado
2002
[[table data]]
2003-06
[[table data]]

Connector Pin Identification

[[table data]]

Diagnostic Tests

Astro, Blazer, Jimmy, Safari, Sonoma, SSR & S10
[[table data]]
Avalanche, Escalade, Escalade EXT, Suburban, Tahoe & Yukon
2002
[[table data]]
2003-06
[[table data]]
Bravada, Envoy, Rai...
[[table data]]
[[table data]]
[[table data]]
[[table data]]
[[table data]]
[[table data]]

[[table data]]
[[table data]]
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