2003 Cadillac CTS A/C & Heater Service (ONLINE REPAIR MANUALS)

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A/C & HEATER SERVICE PROCEDURES FOR 2003 Cadillac CTS 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 2003 Cadillac CTS cars and light trucks from 1990+

Vacuum & Wiring Diagrams -> Passenger Cars -> CTS
Vehicle: 2003 Cadillac CTS 3.2 V6 GAS

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CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac CTS A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 Cadillac CTS 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 2003 Cadillac CTS cars and light trucks from 1990+

Component Replacement & Adjustment -> CTS -> Condenser, Replace
Vehicle: 2003 Cadillac CTS 3.2 V6 GAS

  • Recover refrigerant as outlined in .
  • On models equipped with 3.6L engine, remove clamp using hose clamp pliers tool No. J-38185, or equivalent, then the surge tank inlet hose.
  • On all models, remove condenser seal.
  • Remove mounting bolts and radiator support brackets.
  • Remove condenser upper mounting bolts.
  • Raise and support vehicle.
  • Remove push-in retainers securing and front air deflector.
  • Lower vehicle.
  • ...

CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac CTS A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 Cadillac CTS 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 2003 Cadillac CTS cars and light trucks from 1990+

Air Bag System Precautions -> General Motors Corp. -> Disarming -> 1990 -> 1990-93 -> 1990-95 -> 1990-97 -> 1991 -> 1991-93 -> 1991-94 -> 1991-95 -> 1992-93 -> 1992-99 -> 1993-2002 -> 1993-94 -> 1993-98 -> 1994 -> 1994-2002 -> 1994-95 -> 1994-96 -> 1994-98 -> 1995-2002 -> 1995-96 -> 1995-97 -> 1995-98 -> 1995-99 -> 1996 -> 1996-2001 -> 1996-97 -> 1997 -> 1997-2002 -> 1997-98 -> 1997-99 -> 1998-2000 -> 1998-2002 -> 1998-99 -> 1999 -> 1999-2000 -> 1999-2001 -> 1999-2002 -> 2000-02 -> 2001-02 -> 2002 -> 2003 -> 2003-04 -> 2003-04 Except Malibu Maxx -> Achieva & Skylark -> Alero -> Astro & Safari -> Aurora -> Avalanche -> Aveo -> Aztek & Rendezvous -> Beretta & Corsica -> Blazer, Jimmy, Sonoma & S-10 -> Bonneville, Eighty-Eight, LeSabre, LSS, Ninety-Eight & Regency -> Bravada, Envoy, Rainier, SSR & TrailBlazer -> C/K Series -> Camaro & Firebird -> Canyon & Colorado -> Caprice, Custom Cruiser & Roadmaster -> Catera -> Cavalier & Sunfire -> Century -> Corvette -> Coupe -> CTS -> Cutlass -> Cutlass Ciera & Cruiser -> Cutlass Supreme -> DeVille -> Eldorado -> Escalade -> Express, G Series & Savana -> Fleetwood -> Grand Am -> Grand Prix & Intrigue -> Impala -> ION -> L-Series -> Light Trucks & Vans -> Lumina -> Lumina APV, Montana, Silhouette, Trans Sport & Venture -> Malibu -> Malibu Maxx -> Metro -> Monte Carlo -> Park Avenue -> Passenger Cars -> Prizm -> Reatta, Toronado & Trofeo -> Regal -> Riviera -> S-Series -> Sedan -> Seville -> Sierra & Silverado -> SRX -> Storm -> Suburban, Tahoe, Yukon & Yukon XL -> Tracker -> Vibe -> VUE -> XLR -> Zone 1 -> Zone 10 -> Zone 12 -> Zone 2 -> Zone 3 -> Zone 4 -> Zone 5 -> Zone 6 -> Zone 7 -> Zone 8 -> Zone 9 -> Zones 1 & 7 -> Zones 2 & 6 -> Zones 5 & 9 -> Zones 7 & 9
Vehicle: 2003 Cadillac CTS 3.2 V6 GAS

Passenger Cars

The Sensing and Diagnostic Module (SDM) can maintain enough voltage to cause air bag deployment for up to 10 minutes after the ignition is turned Off and the battery is disconnected. Servicing the Supplemental air bag (SIR) system during this period may result in accidental deployment and personal injury.

Achieva & Skylark
1994-96
  • Ensure front wheels are in straight-ahead position.
  • Turn ignition switch to LOCK position.
  • Remove AIR BAG fuse from fuse block.
  • On 1995 models, remove lefthand sound insulator panel to ac...

CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac CTS A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 Cadillac CTS 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 2003 Cadillac CTS cars and light trucks from 1990+

Vacuum & Wiring Diagrams -> Passenger Cars -> Vibe
Vehicle: 2003 Cadillac CTS 3.2 V6 GAS

[[table data]]

CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac CTS A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 Cadillac CTS 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 2003 Cadillac CTS cars and light trucks from 1990+

Electric Cooling Fans -> CTS -> Component Replacement -> Auxiliary -> Main
Vehicle: 2003 Cadillac CTS 3.2 V6 GAS

Main

  • Drain cooling system into suitable container.
  • Disconnect surge tank hose.
  • Remove fan shroud to radiator and air plenum mounting bolts.
  • Disconnect upper radiator hose.
  • Remove mounting bolt and position coolant bypass valve aside.
  • Disconnect coolant bypass solenoid from fan shroud.
  • On models equipped with 3.2L engine, proceed as follows:
    • Disconnect the Mass Air Flow/Intake Air Temperature (MAF/IAT) sensor electrical connector.
    • Disconnect air intake duct hose from MAF/IAT sensor.
    • Remove two mounting ...

CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac CTS A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 Cadillac CTS 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 2003 Cadillac CTS cars and light trucks from 1990+

Electric Cooling Fans -> CTS -> Troubleshooting
Vehicle: 2003 Cadillac CTS 3.2 V6 GAS

Refer to...

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