Auto Parts Search
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1994 Chevrolet Impala SS 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 1994 Chevrolet Impala SS automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1994 Chevrolet Impala SS AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1994 Chevrolet Impala SS cars and light trucks from 1990+
Cooling Fans -> Passenger Cars Except Saturn -> DESCRIPTION -> 1994 -> 1995 -> 2.0L/4-121 Engine -> 2.2L/4-134 ENGINE -> 2.3L/4-138 Engine -> 3.1L/V6-192 Engine -> 3.4L/V6-204 & 5.7L/V8-350 Engines -> 3.4L/V6-204 ENGINE -> 4.6L/V8-279 Northstar Engine -> 4.9L/V8-300 Engine -> 5.7L/V8-350 ENGINE -> A/C Condenser Fan -> ACHIEVA, GRAND AM & SKYLARK -> AURORA -> Auxiliary Fan -> BERETTA & CORSICA -> BONNEVILLE -> CAMARO & FIREBIRD -> CAPRICE, IMPALA SS & ROADMASTER -> CAVALIER & SUNFIRE -> CENTURY, CUTLASS CIERA & CUTLASS CRUISER -> CORVETTE -> CUTLASS SUPREME, GRAND PRIX & REGAL -> DEVILLE, ELDORADO & SEVILLE -> EIGHTY EIGHT & NINETY EIGHT -> EXCEPT REGAL w/3800/V6-231 (VIN L) ENGINE -> FLEETWOOD (RWD) -> High Speed Operation -> LATE PRODUCTION A/C -> LESS A/C & EARLY PRODUCTION WITH A/C -> Low Speed Operation -> LUMINA & MONTE CARLO -> METRO -> PARK AVENUE & LESABRE -> Primary Fan -> PRIZM -> Radiator Fan -> REGAL w/3800/V6-231 (VIN L) ENGINE -> RIVIERA -> Secondary Fan -> SUNBIRD -> VIN J Engine -> VIN P Engine
Vehicle: 1994 Chevrolet Impala SS 5.7 V8 GAS
ACHIEVA, GRAND AM & SKYLARK
2.3L/4-138 Engine
The electric cooling fan is control by the PCM based on inputs from the engine coolant sensor, intake air temperature sensor , the A/C control switch, A/C refrigerant pressure sensor and the speed sensor. The fan normally operates when the engine coolant temperature exceeds 217°F, A/C is requested, and vehicle speed is greater than 35 mph. The cooling fan will also run if regardless of vehicle speed if coolant temperature exceeds 224°F, any diagnostic trouble code is set or A/C refrigerant pressure is high. If the PCM is...
CLICK HERE TO GET FULL ACCESS TO 1994 Chevrolet Impala SS A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1994 Chevrolet Impala SS AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1994 Chevrolet Impala SS cars and light trucks from 1990+
Component Replacement & Adjustment -> Caprice, Fleetwood (RWD), Impala SS & Roadmaster -> COOLING SYSTEM BLEED
Vehicle: 1994 Chevrolet Impala SS 5.7 V8 GAS
These engines do not require a specific bleed procedure. After filling cooling system, start engine and allow...
CLICK HERE TO GET FULL ACCESS TO 1994 Chevrolet Impala SS A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1994 Chevrolet Impala SS AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1994 Chevrolet Impala SS cars and light trucks from 1990+
Cooling Fans -> Passenger Cars Except Saturn -> TROUBLESHOOTING -> ACHIEVA & GRAND AM -> AURORA -> BERETTA & CORSICA -> BONNEVILLE -> CAMARO & FIREBIRD -> CAPRICE, IMPALA SS & ROADMASTER -> CAVALIER, SUNBIRD & SUNFIRE -> CENTURY, CUTLASS CIERA & CUTLASS CRUISER -> CORVETTE -> CUTLASS SUPREME, GRAND PRIX & REGAL -> DEVILLE, ELDORADO & SEVILLE -> EIGHTY EIGHT & NINETY EIGHT -> FLEETWOOD (RWD) -> LUMINA & MONTE CARLO -> METRO -> PARK AVENUE & LESABRE -> PRIZM -> RIVIERA -> SKYLARK
Vehicle: 1994 Chevrolet Impala SS 5.7 V8 GAS
ACHIEVA & GRAND AM
If coolant fan continues to run with ignition switch in the Off position after engine coolant temperature lowers, replace coolant fan relay.
AURORA
Refer to .
BERETTA & CORSICA
- If coolant fan does not operate, check fuse No. 9 and Fuse Link A.
- If coolant fan runs with ignition switch in the OFF position, replace the coolant fan relay.
- Ensure ground G101 is clean and tight.
BONNEVILLE
- Visually inspect fuse 16.
- Visually inspect lefthand underhood fuse block fuse 4.
- When only one coolant...
CLICK HERE TO GET FULL ACCESS TO 1994 Chevrolet Impala SS A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1994 Chevrolet Impala SS AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1994 Chevrolet Impala SS cars and light trucks from 1990+
Component Replacement & Adjustment -> Caprice, Fleetwood (RWD), Impala SS & Roadmaster -> THERMOSTAT, REPLACE
Vehicle: 1994 Chevrolet Impala SS 5.7 V8 GAS
- Disconnect battery ground cable.
- Drain cooling system.
- Disconnect upper radiator hose from thermostat housing.
- Remove thermostat housing attaching bolts, then housing, gasket and thermostat...
CLICK HERE TO GET FULL ACCESS TO 1994 Chevrolet Impala SS A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1994 Chevrolet Impala SS AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1994 Chevrolet Impala SS cars and light trucks from 1990+
Cooling Fans -> Passenger Cars Except Saturn -> SYSTEM DIAGNOSIS & TESTING -> 2.2L/4-134, 2.3L/4-138 & 3.1L/V6-192 ENGINE -> 4.6L/V8-279 Engine -> 4.9L/V8-300 Engine -> A/C Condenser Fan -> ACHIEVA, GRAND AM & SKYLARK -> AURORA -> BERETTA & CORSICA -> BONNEVILLE -> Both Coolant Fans Do Not Run -> CAMARO & FIREBIRD -> CAPRICE, IMPALA SS & ROADMASTER -> CAVALIER & SUNFIRE -> CENTURY, CUTLASS CIERA & CUTLASS CRUISER -> Coolant Fan Does Not Run At All -> Coolant Fan Does Not Turn Off w/Engine Coolant Cool, A/C Mode Selector Off & Ignition Switch In Run -> Coolant Fan Does Not Turn Off With Engine Cool, A/C Mode Selector Off & Ignition Switch In RUN -> Coolant Fan Does Not Turn Off With Engine Coolant Cool & A/C Mode Selector Off & Ignition switch in RUN -> Coolant Fan Does Not Turn Off With Ignition Switch In Run -> Coolant Fan Does Not Turn On -> Coolant Fan Input Test -> Coolant Fans Do Not Operate In High Speed With A/C Head Pressure Above 210 psi -> CORVETTE -> CUTLASS SUPREME, GRAND PRIX & REGAL -> DEVILLE, ELDORADO & SEVILLE -> EIGHTY EIGHT & NINETY EIGHT -> Engine Cooling Fan -> FLEETWOOD (RWD) -> HIGH SPEED CONDITIONS -> High Speed Coolant Fan Input Test -> HIGH SPEED OPERATION -> Lefthand Coolant Fan Does Not Operate In High Speed -> Lefthand Coolant Fan Does Not Operate In High Speed w/A/C Head Pressure Above 210 psi -> Lefthand Coolant Fan Does Not Operate In Low Speed -> Lefthand Coolant Fan Runs Continuously In High Speed w/Ignition Switch At Run, Engine Coolant Cool & A/C Off -> Lefthand Coolant fan Runs Continuously In High Speed With Ignition Switch At RUN, Engine Coolant Cool & A/C Off -> Lefthand Coolant Fan Runs Continuously In Low Speed w/Ignition Switch At Run, Engine Coolant Cool & A/C Off -> Lefthand Coolant Fan Runs Continuously In Low Speed With Ignition Switch At RUN, Engine Coolant Cool & A/C Off -> LOW SPEED CONDITIONS -> Low Speed Coolant Fan Input Test -> LOW SPEED OPERATION -> LUMINA & MONTE CARLO -> METRO -> PARK AVENUE & LESABRE -> Primary Cooling Fan Does Not Run -> Primary Cooling Fan Runs Continuously w/Engine Coolant Cool & A/C Mode Selector Off -> PRIZM -> RIVIERA -> Secondary Cooling Fan Does Not Run -> Secondary Cooling Or Generator Fan Runs Continuously w/Engine Coolant Cool & A/C Mode Selector Off -> SUNBIRD -> System Check -> System Diagnosis
Vehicle: 1994 Chevrolet Impala SS 5.7 V8 GAS
AURORA
System Diagnosis
Refer to Fig. , for system diagnosis.
ACHIEVA, GRAND AM & SKYLARK
System Check
- With ambient air temperature above 70°F, open all doors, start car and set A/C mode selector on MAX. Coolant fan should turn on.
- With engine coolant below operating temperature, move A/C mode selector to OFF. Coolant fan should turn off in a short period of time.
- Run engine at fast idle for several minutes. Coolant fan should come on before the coolant temperature indicator comes on or the coolant temperature d...
CLICK HERE TO GET FULL ACCESS TO 1994 Chevrolet Impala SS A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1994 Chevrolet Impala SS AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1994 Chevrolet Impala SS cars and light trucks from 1990+
Component Replacement & Adjustment -> Caprice, Fleetwood (RWD), Impala SS & Roadmaster -> PROGRAMMER, REPLACE -> ECC SYSTEM
Vehicle: 1994 Chevrolet Impala SS 5.7 V8 GAS
ECC SYSTEM
- Disconnect battery ground cable.
- Remove glove compartment.
- Remove right and left side hush panels, then engine control module from instrument panel.
- Disc...
CLICK HERE TO GET FULL ACCESS TO 1994 Chevrolet Impala SS A/C & HEATER SERVICE PROCEDURES
Shop online for auto body parts, engines, wheels, lights...
| More parts |
