1999 Saturn SL Series A/C & Heater Service (ONLINE REPAIR MANUALS)

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We have info for following modifications of 1999 Saturn SL Series

  • 1999 Saturn SL Series 1.9 L4 GAS, CID:116, Fuel Injection, Aspiration:116, Engine VIN:, Desg:7
  • 1999 Saturn SL Series 1.9 L4 GAS, CID:116, Fuel Injection, Aspiration:116, Engine VIN:, Desg:8

A/C & HEATER SERVICE PROCEDURES FOR 1999 Saturn SL Series 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 1999 Saturn SL Series cars and light trucks from 1990+

General Service Domestic Vehicles -> 1998-2000 -> Precautions -> A/C Refrigerant Oil -> Battery Ground Cable -> Cleanliness -> Engine Coolant -> Exercise System -> General Service -> Product Compatibility -> R-134a -> Safety
Vehicle: 1999 Saturn SL Series 1.9 L4 GAS

Battery Ground Cable

Prior to service disconnect battery ground cable and isolate as required.

Product Compatibility
A/C Refrigerant Oil

Before replenishing refrigerant oil, ensure product compatibility with the system being serviced. Refer to "A/C Data" for specifications.

Engine Coolant

Before adding or replacing engine coolant, ensure product compatibility with the system being serviced. If using orange silicate-free coolant, do not mix with green silicated coolant. If mixed, premature engine, heater core or radiator corrosion may result.

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A/C & HEATER SERVICE PROCEDURES FOR 1999 Saturn SL Series 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 1999 Saturn SL Series 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: 1999 Saturn SL Series 1.9 L4 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 1999 Saturn SL Series A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1999 Saturn SL Series 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 1999 Saturn SL Series cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 1999 Saturn SL Series 1.9 L4 GAS

[[table data]]

CLICK HERE TO GET FULL ACCESS TO 1999 Saturn SL Series A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1999 Saturn SL Series 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 1999 Saturn SL Series cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 1999 Saturn SL Series 1.9 L4 GAS

[[table data]]

CLICK HERE TO GET FULL ACCESS TO 1999 Saturn SL Series A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1999 Saturn SL Series 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 1999 Saturn SL Series cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 1999 Saturn SL Series 1.9 L4 GAS

[[table data]]

CLICK HERE TO GET FULL ACCESS TO 1999 Saturn SL Series A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1999 Saturn SL Series 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 1999 Saturn SL Series cars and light trucks from 1990+

Computer Relearn Procedures -> Saturn -> Auto Learn Method -> Crankshaft Learn Procedure -> Crankshaft Relearn Procedure -> Passlock Theft Deterrent Relearn Procedure -> PCM/ECM Learning Procedure -> Remote Keyless Entry Synchronization -> Seed & Key Method
Vehicle: 1999 Saturn SL Series 1.9 L4 GAS

Crankshaft Learn Procedure

The PCM uses crankshaft velocity calculations to determine engine misfire and to run misfire self-diagnostics. The PCM must know precisely the variability in crankshaft notches for this function. The PCM has a notch learn process that learns the variability between notches which must be reset if the crankshaft has been replaced. Using a suitable scan tool, the "Crankshaft Learn Procedure" can be set to "Relearn."

Crankshaft Relearn Procedure

Any time a PCM or crankshaft position sensor is replaced the PCM must relearn the crankshaft notches. ...

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