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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Chevrolet Trailblazer 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 2003 Chevrolet Trailblazer automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2003 Chevrolet Trailblazer
- 2003 Chevrolet Trailblazer 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S
- 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S
- 2003 Chevrolet Trailblazer EXT 5.3 V8 GAS, CID:325, Fuel Injection, Aspiration:325, Engine VIN:, Desg:P
BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Trailblazer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Chevrolet Trailblazer cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Caliper Service -> Assemble -> Disassemble -> Inspection -> Installation -> Removal
Vehicle: 2003 Chevrolet Trailblazer EXT 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 ar...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Trailblazer BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Trailblazer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Chevrolet Trailblazer cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Precautions -> Brake Disc Service -> Brake Lines & Linings -> Brake Roughness -> General
Vehicle: 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS
Brake Lines & Linings
Remove one of the front wheels and inspect the brake disc, caliper and linings.
Do not allow any oil or grease on the linings. It is recommended that linings be replaced in sets when worn or damaged.
If the caliper is cracked or fluid leakage through the casting is evident, it must be replaced as a unit.
Brake Roughness
The most common cause of brake chatter on disc brakes is a variation in thickness of the disc. If roughness or vibration is encountered during highway operation or if pedal pumping is experienced at low speeds, the disc may have excessive thickness v...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Trailblazer BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Trailblazer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Chevrolet Trailblazer cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Brake Pad Service -> Installation -> Removal
Vehicle: 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS
Removal
- Remove caliper as outlined in. "Caliper Service."
- Remove inboard pad with retainer spring.
- Remove outboard pad and position caliper on front suspension so brake hose will not support weight of caliper.
- Remove two sleeves from inboard ears of caliper.
- Remove four rubber bushings from grooves in each of caliper ears.
Installation
- Lubricate new sleeves, rubber bushings, bushing grooves and mounting bolt ends with lubricant part No. 19010909, or equivalent.
- Install new bushings and sleeves in caliper ea...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Trailblazer BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Trailblazer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Chevrolet Trailblazer 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: 2003 Chevrolet Trailblazer 4.2 L6 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.
- ...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Trailblazer BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Trailblazer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Chevrolet Trailblazer cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Brake Pad Service
Vehicle: 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS
The procedures to remove and install the brake pads are outlined in. "Calip... "
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Trailblazer BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Trailblazer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Chevrolet Trailblazer cars and light trucks from 1990+.
Drum Brakes -> Inspection -> Adjuster Mechanism -> Backing Plate -> Brake Drums -> Brake Linings & Springs -> General System -> Parking Brake Cable
Vehicle: 2003 Chevrolet Trailblazer 4.2 L6 GAS
General System
- Inspect components for damage or unusual wear. Replace as required.
- Inspect backing plate mounting bolts and ensure they are tight.
- Inspect wheel cylinders. Excessive fluid indicates cup leakage and need for wheel cylinder replacement. Slight amount of fluid is always present and is considered normal, acting as lubricant for cylinder pistons.
- Inspect adjuster screw operation. If satisfactory, lightly lubricate adjusting screw and washer with suitable brake lube. If operation is unsatisfactory, replace.
- Clean rust and dirt from shoe contact surfaces on backing plate using fi...
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