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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1994 Chevrolet Impala SS car and truck
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BRAKE SERVICE PROCEDURES FOR 1994 Chevrolet Impala SS AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1994 Chevrolet Impala SS cars and light trucks from 1990+.
Disc Brakes -> AC-Delco Single Piston Front Disc Brake (Type 1) -> Brake System Bleed
Vehicle: 1994 Chevrolet Impala SS 5.7 V8 GAS
Pressure bleeding is recommended for all hydraulic disc brake systems.
The disc brake hydraulic system can be bled manually or with pressure bleeding equipment. The brake pedal will require more pumping and frequent checking of fluid level in master cylinder during bleeding operation.
Never use...
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BRAKE SERVICE PROCEDURES FOR 1994 Chevrolet Impala SS AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1994 Chevrolet Impala SS cars and light trucks from 1990+.
Anti-lock Brakes -> Brougham, Caprice, Custom Cruiser, Fleetwood (RWD), Impala SS, Riviera, Roadmaster, Toronado, Trofeo & 1993-94 DeVille, Eldorado & Seville (Bosch 2 U Type) -> System Service -> 1993-94 DeVille, Eldorado & Seville -> ACCELERATOR PEDAL ASSEMBLY -> Brake System Bleed -> Caprice, Impala SS, Custom Cruiser & Roadmaster -> Caprice, Impala SS, Custom Cruiser, Fleetwood (RWD) & Roadmaster -> Caprice, Impala SS, Custom Cruiser, Roadmaster & Fleetwood (RWD) -> Component Replacement -> Eldorado, Riviera, Seville, Toronado & Trofeo -> ELECTRONIC BRAKE CONTROL MODULE (EBCM) -> Fleetwood (RWD) -> HYDRAULIC MODULATOR VALVE -> HYDRAULIC SYSTEM FLUSH -> LEFT FRONT WHEEL SPEED SENSOR -> MANUAL BLEED -> OVER VOLTAGE PROTECTION RELAY (OVP) -> PRESSURE BLEED -> REAR AXLE SPEED SENSOR -> REAR WHEEL SPEED SENOR -> RIGHT FRONT WHEEL SPEED SENSOR -> Riviera, Toronado & Trofeo & 1992 Eldorado & Seville -> Service Precautions -> SOLENOID VALVE RELAY & PUMP MOTOR RELAY -> WHEEL BLEED SEQUENCE
Vehicle: 1994 Chevrolet Impala SS 5.7 V8 GAS
Service Precautions
Before performing any repairs on the ABS system, note the following precautions:
- If any welding work is to be done on the vehicle using and arc welder, the EBCM and hydraulic modulator connectors should be disconnected.
- Hydraulic modulator and EBCM connectors should never be disconnected when the ignition switch is on.
- Do not use a fast charger to charge battery when battery is connected. Always disconnect battery from system before using a fast charger. Never disconnect battery from system with engine running.
- Always note routing, position and mounting of electric...
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BRAKE SERVICE PROCEDURES FOR 1994 Chevrolet Impala SS AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1994 Chevrolet Impala SS cars and light trucks from 1990+.
Hydraulic Brake Systems -> Component Service -> Assemble -> CORVETTE -> Disassemble -> EXCEPT CORVETTE -> MASTER CYLINDER OVERHAUL -> WHEEL CYLINDER OVERHAUL
Vehicle: 1994 Chevrolet Impala SS 5.7 V8 GAS
MASTER CYLINDER OVERHAUL
EXCEPT CORVETTE
Disassemble
Refer to Figs. and when performing the following procedures.
- Remove master cylinder from vehicle as follows:
- Disconnect and plug hydraulic lines.
- Remove two master cylinder attaching nuts, then the master cylinder.
- 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, if equipped.
- On models with compact master cylinder, remove proportioner valve assembly, Fig. .
- Depress primary piston and remove lock ring.
- Plug primary fl...
CLICK HERE TO GET FULL ACCESS TO 1994 Chevrolet Impala SS BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1994 Chevrolet Impala SS AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1994 Chevrolet Impala SS cars and light trucks from 1990+.
Hydraulic Brake Systems -> Diagnosis & Testing
Vehicle: 1994 Chevrolet Impala SS 5.7 V8 GAS
Refer to...
CLICK HERE TO GET FULL ACCESS TO 1994 Chevrolet Impala SS BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1994 Chevrolet Impala SS AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1994 Chevrolet Impala SS cars and light trucks from 1990+.
Anti-lock Brakes -> Brougham, Caprice, Custom Cruiser, Fleetwood (RWD), Impala SS, Riviera, Roadmaster, Toronado, Trofeo & 1993-94 DeVille, Eldorado & Seville (Bosch 2 U Type) -> Troubleshooting
Vehicle: 1994 Chevrolet Impala SS 5.7 V8 GAS
Refer to "Diagnosis & T... "
CLICK HERE TO GET FULL ACCESS TO 1994 Chevrolet Impala SS BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1994 Chevrolet Impala SS AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1994 Chevrolet Impala SS cars and light trucks from 1990+.
Hydraulic Brake Systems -> Description -> BRAKE DISTRIBUTION VALVE & SWITCH -> BRAKE WARNING LAMP SWITCHES -> COMBINATION VALVE -> COMPONENT DESCRIPTION -> Diagonally Split System -> Failure Warning Switch -> Fluid Level Sensor -> Front & Rear Split System -> Metering Valve -> Proportioning Or Pressure Control Valve -> SYSTEM OPERATION -> Testing Warning Lamp Operation
Vehicle: 1994 Chevrolet Impala SS 5.7 V8 GAS
SYSTEM OPERATION
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, Fig. .
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,...
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