2002 Chevrolet Impala A/C & Heater Service (ONLINE REPAIR MANUALS)

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We have info for following modifications of 2002 Chevrolet Impala

  • 2002 Chevrolet Impala 3.4 V6 GAS, CID:207, Fuel Injection, Aspiration:207, Engine VIN:, Desg:E
  • 2002 Chevrolet Impala LS 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:K
  • 2002 Chevrolet Impala 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:K

A/C & HEATER SERVICE PROCEDURES FOR 2002 Chevrolet Impala 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 2002 Chevrolet Impala cars and light trucks from 1990+

Component Replacement & Adjustment -> Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo & Regal -> Evaporator Core, Replace
Vehicle: 2002 Chevrolet Impala 3.4 V6 GAS

  • Remove HVAC module as outlined under "HVAC Module, Replace."
  • Remove HVAC module outer seals, then the air inlet housing.
  • Unclip heater/defrost valve vacuum actuator from HVAC module.
  • ...

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A/C & HEATER SERVICE PROCEDURES FOR 2002 Chevrolet Impala 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 2002 Chevrolet Impala cars and light trucks from 1990+

Manual Air Conditioning & Heater System Diagnosis & Testing -> Passenger Cars -> A/C System Troubleshooting
Vehicle: 2002 Chevrolet Impala 3.4 V6 GAS

If an A/C system malfunction is suspected, check the following conditions:

  • Check outer surfaces of radiator and condenser cores to ensure air flow is not blocked by dirt, leaves or other foreign material.
  • Restrictions or kinks in condenser core, hoses or tubes.
  • Blower motor operation.
  • Refrigerant leaks.
  • ...

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A/C & HEATER SERVICE PROCEDURES FOR 2002 Chevrolet Impala 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 2002 Chevrolet Impala cars and light trucks from 1990+

Computer Relearn Procedures -> General Motors Corp. -> 1997-98 -> 1998-2000 -> 1998-99 -> 1999-2001 -> 1999-2002 -> 2.2L & 2.4L Engines -> 2000-02 -> 2000-04 -> 2001-02 -> 2001-04 -> 3.1L, 3.4L, 3800/3.8L, 4.0L & 4.6L Engines -> 3.5L Engine -> 5.7L Engine -> Achieva, Alero, Grand Am & Skylark -> Achieva, Cavalier, Skylark & Sunfire -> Alero & Grand Am -> Alero & Malibu -> Aurora -> Aurora, Bonneville, DeVille, LeSabre & Seville -> Aurora, Bonneville, Grand Prix, LeSabre & Park Avenue -> Auto Learn Passlock Procedure -> Body Control Module (BCM) -> Bonneville -> Bonneville, Eighty Eight, LeSabre, LSS & Park Avenue -> C & K Series w/Diesel Engine -> C & K Trucks w/Diesel Engine -> Camaro & Firebird -> Catera -> Cavalier & Sunfire -> Century -> Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo & Regal -> Century, Impala, Intrigue, Monte Carlo & Regal -> Corvette -> Crankshaft Position System Variation Learn -> Cutlass & Malibu -> Dash Integration Module (DIM) -> DeVille -> DeVille, Eldorado & Seville -> EEPROM -> Eldorado -> Engine Control Module (ECM) -> Engine Performance -> Except Park Avenue -> Grand Am -> Grand Prix & Regal -> Impala & Monte Carlo -> Instrument Panel Integration Module (IPM) -> Intrigue -> LeSabre -> Less Tech 2 Or Techline Terminal -> Light Truck & Vans -> Park Avenue -> Passenger Cars -> Passkey Module -> Passlock Learn Procedure -> PCM -> Powertrain Control Module (PCM) -> Powertrain Control Module (PCM) & Vehicle Control Module (VCM) -> Rear Integration Module -> Riviera -> Seville -> T50/T60/T20+ -> TDC Offset Adjustment -> Theft Deterrent System Programming -> VCM -> With Tech 2 -> With Techline Terminal & Scan Tool
Vehicle: 2002 Chevrolet Impala 3.8 V6 GAS

Passenger Cars

Body Control Module (BCM)
Alero & Grand Am

This procedure must be performed if the BCM, Passlock sensor or PCM is replaced. If BCM is not properly programmed, it will not control all the features properly.

  • Ensure battery is fully charged and ignition switch is in the ON position.
  • Connect a suitably programmed Tech II, or equivalent, scan tool to Data Link Connector (DLC).
  • Access scan tool "Special Functions" menu and follow scan tool instructions to program BCM.
  • If BCM fails to accept the pr...

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A/C & HEATER SERVICE PROCEDURES FOR 2002 Chevrolet Impala 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 2002 Chevrolet Impala cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 2002 Chevrolet Impala 3.8 V6 GAS

[[table data]]

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A/C & HEATER SERVICE PROCEDURES FOR 2002 Chevrolet Impala 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 2002 Chevrolet Impala cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 2002 Chevrolet Impala 3.8 V6 GAS

[[table data]]

CLICK HERE TO GET FULL ACCESS TO 2002 Chevrolet Impala A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2002 Chevrolet Impala 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 2002 Chevrolet Impala cars and light trucks from 1990+

Electric Cooling Fans -> Passenger Cars Except Saturn -> Description -> A/C Condenser Fan -> Alero & Grand Am -> Aurora, Bonneville, Camaro, Century, Corvette, Firebird, Grand Prix, Impala, Intrigue, LeSabre, Malibu, Monte Carlo, Park Avenue & Regal -> Cavalier & Sunfire -> DeVille, Eldorado & Seville -> Lumina -> Metro -> Prizm -> Radiator Fan
Vehicle: 2002 Chevrolet Impala LS 3.8 V6 GAS

Alero & Grand Am

The engine cooling fan system consists of two electric cooling fans and three fan relays. The PCM controls the relays that operate both fans together at low or high speeds.

During low speed operation, the PCM supplies the ground path for the low speed fan relay through the low speed cooling fan relay control circuit. The ground path for the left cooling fan is through the cooling fan S/P relay and the right cooling fan.

During high speed operation, the PCM supplies the ground path for the cooling fan 1 relay through the low speed cooling fan rel...

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