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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 Chevrolet Blazer car and truck repair procedures including Chevrolet 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 Chevrolet Blazer automobile. Try the Automotix DIY solution today!
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BRAKE SERVICE PROCEDURES FOR 2004 Chevrolet Blazer AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Chevrolet Blazer 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 Chevrolet Blazer 4.3 V6 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 ...

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BRAKE SERVICE PROCEDURES FOR 2004 Chevrolet Blazer AUTOMOBILES

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

Power Brake Units -> Delco Brake Booster -> Brake System Bleed -> Hydraulic System Flush -> Manual Bleed -> Master Cylinder Bleed -> Parking Brake Bleed -> Pressure Bleed
Vehicle: 2004 Chevrolet Blazer 4.3 V6 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 Blazer AUTOMOBILES

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

Power Brake Units -> Delco Brake Booster -> General Service
Vehicle: 2004 Chevrolet Blazer 4.3 V6 GAS

Certain general service procedures apply, regardless of whether the brakes are vacuum or hydraulically assisted. Only top quality, clean brake fluid should be used. More seals and valves are used with power brake systems than with ordinary brakes, so an inferior brake fluid will do much more damage. For the same reason, ensure all dirt is kept out of the system. Additionally, on models with hydraulic assist brakes, care must be taken not to mix the fluids of the booster hydraulic system and brake hydraulic system as the fluids are not compatible.

If the power unit fails, the brak...

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BRAKE SERVICE PROCEDURES FOR 2004 Chevrolet Blazer AUTOMOBILES

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

Disc Brakes -> Delco Dual Piston Sliding Caliper -> Description
Vehicle: 2004 Chevrolet Blazer 4.3 V6 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 Chevrolet Blazer AUTOMOBILES

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

Hydraulic Brake Systems -> Component Replacement -> Master Cylinder
Vehicle: 2004 Chevrolet Blazer 4.3 V6 GAS

Master Cylinder

  • On models equipped with manual brake system,disconnect master cylinder pushrod from brake pedal.
  • On all models, disconnect all wire con...

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BRAKE SERVICE PROCEDURES FOR 2004 Chevrolet Blazer AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Chevrolet Blazer 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 Chevrolet Blazer 4.3 V6 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
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2003-06
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Bravada, Envoy, Rainier & Trailblazer
2002-03
[[table data]]
2004-06
[[table data]]
Express & Savana
2002
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2003-06
[[table data]]
Sierra & Silverado
2002
[[table data]]
2003-06
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Connector Pin Identification

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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]]
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