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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Chevrolet Impala 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 Impala automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2003 Chevrolet Impala
- 2003 Chevrolet Impala 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:K
- 2003 Chevrolet Impala 3.4 V6 GAS, CID:207, Fuel Injection, Aspiration:207, Engine VIN:, Desg:E
- 2003 Chevrolet Impala LS 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:K
BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Chevrolet Impala cars and light trucks from 1990+.
Hydraulic Brake Systems -> General Motors -> Brake System Bleed -> Bleed Sequence -> Hydraulic System Flush -> Manual -> Pressure
Vehicle: 2003 Chevrolet Impala LS 3.8 V6 GAS
Manual
Pressure bleeding is recommended for all hydraulic systems. However, if a pressure bleeder is unavailable, use the following procedure. Brake fluid damages painted surfaces. Immediately clean any spilled fluid.
- Remove vacuum reserve by pumping brakes several times with engine off.
- Fill master cylinder reservoir with clean brake fluid. Do not let reservoir fall below half full during bleeding procedure.
- If required, bleed master cylinder as follows:
- Loosen master cylinder forward brake line connection until fluid flows from reservoir, then tighten brake line.
- Have assistant t...
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BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Chevrolet Impala cars and light trucks from 1990+.
Hydraulic Brake Systems -> General Motors -> Description -> Brake Distribution Valve & Switch -> Brake Warning Lamp Switches -> Combination Valve -> Components -> Diagonally Split System -> Failure Warning Switch -> Fluid Level Sensor -> Front & Rear Split System -> Metering Valve -> Proportioning Or Pressure Control Valve -> Warning Lamp
Vehicle: 2003 Chevrolet Impala 3.4 V6 GAS
Front & Rear Split System
When the brake pedal is depressed, both the primary (front brake) and the secondary (rear brake) master cylinder pistons are moved simultaneously to exert hydraulic fluid pressure on their respective systems.
If the rear (secondary) brake system fails, initial brake pedal movement will cause the unrestricted secondary piston to bottom in the master cylinder bore. Primary piston movement will displace hydraulic fluid in the primary section of the master cylinder to actuate the front brake system.
If the front (primary) brake system fails, initial brake pedal mo...
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BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Chevrolet Impala cars and light trucks from 1990+.
Disc Brakes -> AC-Delco Single Piston Front Disc Brake -> Precautions
Vehicle: 2003 Chevrolet Impala LS 3.8 V6 GAS
- Grease or any other foreign material must be kept off brake linings, caliper, surfaces of disc and external surfaces of hub during service procedures.
- Handling brake disc and caliper should be done in a way to avoid deformation of disc and nicking or scratching brake linings.
- If inspection reveals worn or damaged rubber piston seals, they should be replaced.
- During removal and installation of a wheel assembly, ensure not to interfere with or damage c...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Impala BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Chevrolet Impala cars and light trucks from 1990+.
Disc Brakes -> AC-Delco Single Piston Rear Disc Brake (Type 2) -> Adjustments -> Parking Brake
Vehicle: 2003 Chevrolet Impala 3.8 V6 GAS
Parking Brake
- Cycle brake system as follows:
- Apply service brake with a pedal force of 175 lbs., and release.
- Fully apply parking brake using approximately 125 lbs., of force on final stroke, then release.
- Apply and release parking brake two additional times as described above.
- Inspect parking brake pedal assembly for full release by turning ignition On and observing brake warning lamp, which should be off.
- If brake warning lamp is on and parking brake appears to be fully released, operate manual pedal release lever and pull downward on front park brake cable to remove slack from pedal as...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Impala BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Chevrolet Impala cars and light trucks from 1990+.
Anti-lock Brakes -> Delphi DBC 7 -> System Service -> Alero & Grand Am -> Alero, Cavalier, Century, Grand Am, Impala, Monte Carlo, Regal & Sunbird -> Alero, Cavalier, Grand Am & Sunfire -> Automated Bleed -> BPMV Bracket -> Brake Pressure Modulator Valve (BPMV) -> Brake System Bleed -> Cavalier & Sunfire -> Century, Impala, Monte Carlo & Regal -> Component Replacement -> CTS -> Electronic Brake Control Module (EBCM) -> Front -> Hydraulic System Flush -> Malibu -> Manual Bleed -> Manual Flush -> Pressure Flush -> Rear -> Wheel Speed Sensor
Vehicle: 2003 Chevrolet Impala 3.8 V6 GAS
Brake System Bleed
In most circumstances a manual brake bleed is all that is required. Automated ABS bleeding is required under the following conditions: when manual bleeding does not achieve desired pedal height or feel; brake pressure modulator valve (BPMV) replacement; extreme loss of brake fluid; air ingestion is suspected.
Manual Bleed
Use suitable container to catch fluid.
- Clean reservoir cover and surrounding area.
- Remove cover, fill fluid reservoir and install cover.
- Attach one end of a clear plastic hose to rear hydraulic modulator bleeder valve, then submerge other end of hos...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Impala BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Chevrolet Impala cars and light trucks from 1990+.
Power Brake Units -> Power Brake Unit Service
Vehicle: 2003 Chevrolet Impala 3.8 V6 GAS
Hydro-boost brake boosters are...
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