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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 Single Piston Sliding Caliper -> Caliper Service -> Assemble -> Disassemble -> Except S & T -> Front -> Inspection -> Installation -> Rear -> Removal -> S & T
Vehicle: 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS
Removal
Front
- Siphon brake fluid out of master cylinder until fluid level is approximately 1/3 full, this will prevent fluid overflow when caliper piston is pushed back into its bore.
- Raise and support vehicle, then remove wheels.
- Push piston back into its bore using suitable C-clamp,. Fig. .
- Remove brake caliper hose bolt, then two metal gaskets from brake caliper bolt.
- Remove two caliper mounting bolts and lift caliper off of rotor.
Rear
Except S & T
- Siphon brake fluid out of master cylinder until fluid level is approximately 1/3 full, this will prevent fluid overflow when caliper pist...
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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+.
Power Brake Units -> Delco Brake Booster -> General Service
Vehicle: 2003 Chevrolet Trailblazer 4.2 L6 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...
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 -> Rotor Replacement -> 2WD Models -> 4WD Models -> Except K3500 -> Except Montana, Silhouette, Trans Sport & Venture -> Front -> K3500 -> Montana, Silhouette, Trans Sport & Venture -> Rear
Vehicle: 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS
2WD Models
Except Montana, Silhouette, Trans Sport & Venture
Front
- Raise and support vehicle.
- Remove tire and wheel assembly.
- Remove caliper as outlined in. "Caliper Service."
- Remove grease cap from hub/rotor,. Fig. .
- Remove cotter pin, nut and washer.
- Remove hub/rotor from spindle, being careful not to damage spindle threads or outer bearing.
- Reverse procedure to install, noting the following:
- Apply high-temperature wheel bearing grease to inner and outer wheel bearings.
- Torque nut to 12 ft. lbs., while turning wheel assembly forward by hand, back nut off one flat or until hole in spindle...
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+.
Hydraulic Brake Systems -> Component Service -> Assemble -> Bendix Master Cylinder -> Delco Master Cylinder -> Disassemble -> Tracker Master Cylinder -> Wheel Cylinder
Vehicle: 2003 Chevrolet Trailblazer EXT 5.3 V8 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 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+.
Hydraulic Brake Systems -> Adjustments -> Height Sensing Proportioning Valve
Vehicle: 2003 Chevrolet Trailblazer 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...
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
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