2002 Chevrolet Trailblazer Brake Service (ONLINE REPAIR MANUALS)

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We have info for following modifications of 2002 Chevrolet Trailblazer

  • 2002 Chevrolet Trailblazer 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S
  • 2002 Chevrolet Trailblazer EXT 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S

BRAKE SERVICE PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2002 Chevrolet Trailblazer cars and light trucks from 1990+.

Hydraulic Brake Systems -> Adjustments -> Height Sensing Proportioning Valve
Vehicle: 2002 Chevrolet Trailblazer EXT 4.2 L6 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...

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BRAKE SERVICE PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2002 Chevrolet Trailblazer 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: 2002 Chevrolet Trailblazer 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
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Avalanche, Escalade, Escalade EXT, Suburban, Tahoe & Yukon
2002
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2003-06
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Bravada, Envoy, Rainier & Trailblazer
2002-03
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2004-06
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Express & Savana
2002
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2003-06
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Sierra & Silverado
2002
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2003-06
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Connector Pin Identification

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Diagnostic Tests

Astro, Blazer, Jimmy, Safari, Sonoma, SSR & S10
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Avalanche, Escalade, Escalade EXT, Suburban, Tahoe & Yukon
2002
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2003-06
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Bravada, Envoy, Rai...
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CLICK HERE TO GET FULL ACCESS TO 2002 Chevrolet Trailblazer BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2002 Chevrolet Trailblazer cars and light trucks from 1990+.

Drum Brakes -> Adjustments -> Astro, Bravada, S & T Series & Safari -> Automatic Apply Parking Brakes -> Aztek, Montana, Rendezvous, Silhouette, Trans Sport, Vue & Venture -> C & K Series -> Control Rod -> Express, Savana & P Series -> Lever Type -> Manual Parking Brake -> Optional Method -> Pedal Type -> Propeller Shaft Type -> Service Brake -> Standard Method -> Tracker
Vehicle: 2002 Chevrolet Trailblazer 4.2 L6 GAS

Service Brake

These brakes have self-adjusting shoe mechanisms that ensure correct lining-to-drum clearances at all times. The automatic adjusters operate only when the brakes are applied as the vehicle is moving rearward or when the vehicle comes to an uphill stop.

Although the brakes are self-adjusting, an initial adjustment is required after the brake shoes have been relined or replaced, or when the length of the adjusting screw has been changed during some other service operation.

Frequent usage of an automatic transmission forward range to halt reverse vehicle motion may prevent t...

CLICK HERE TO GET FULL ACCESS TO 2002 Chevrolet Trailblazer BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2002 Chevrolet Trailblazer cars and light trucks from 1990+.

Disc Brakes -> Delco Single Piston Sliding Caliper -> Description
Vehicle: 2002 Chevrolet Trailblazer 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 inboar...

CLICK HERE TO GET FULL ACCESS TO 2002 Chevrolet Trailblazer BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2002 Chevrolet Trailblazer cars and light trucks from 1990+.

Hydraulic Brake Systems -> Component Service -> Assemble -> Bendix Master Cylinder -> Delco Master Cylinder -> Disassemble -> Tracker Master Cylinder -> Wheel Cylinder
Vehicle: 2002 Chevrolet Trailblazer 4.2 L6 GAS

Delco Master Cylinder

When performing the following procedures, refer to. Figs. and , noting that the composite reservoir may vary in design.

Disassemble
  • Remove master cylinder from vehicle.
  • Remove reservoir cover and diaphragm. Discard old brake fluid in reservoir.
  • Inspect cover and diaphragm. Replace if cut, cracked or deformed.
  • Remove fluid level switch and proportioning valve assembly, if equipped.
  • Depress primary piston and remove lock ring.
  • Plug primary fluid outlet (outlet nearest to cowl when master cylinder is installed), then apply compressed air into secondary fluid outlet...

CLICK HERE TO GET FULL ACCESS TO 2002 Chevrolet Trailblazer BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2002 Chevrolet Trailblazer AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2002 Chevrolet Trailblazer cars and light trucks from 1990+.

Power Brake Units -> Delco Brake Booster -> Power Brake Unit Replacement -> Aztek & Rendezvous -> C & K Series -> Express & Savana -> Montana, Silhouette, Trans Sport & Venture -> S & T Series -> Vue
Vehicle: 2002 Chevrolet Trailblazer 4.2 L6 GAS

Aztek & Rendezvous

  • Remove coolant reservoir, then relieve fuel system pressure as outlined under. "Precautions."
  • Remove cruise control cable from module, then disconnect electrical connector from cruise control module.
  • Remove cruise control module from bracket, then the front end sheet metal diagonal brace.
  • Remove PCM cover from air cleaner housing, then the PCM and set aside.
  • Remove air cleaner intake duct, then bolts from air cleaner assembly and housing.
  • Remove fuel lines from pipes and vapor line, then disconnect fluid level sensor switch from brake master cylinder.
  • Disc...

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