2002 Buick Century A/C & Heater Service (ONLINE REPAIR MANUALS)

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We have info for following modifications of 2002 Buick Century

  • 2002 Buick Century Limited 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:J
  • 2002 Buick Century Custom 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:J

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

Component Replacement & Adjustment -> Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo & Regal -> Accumulator, Replace
Vehicle: 2002 Buick Century Custom 3.1 V6 GAS

  • Recover refrigerant as outlined under .
  • Remove air cleaner assembly.
  • On Impala & Monte Carlo models, remove cross vehicle brace.
  • On Intrigue models, remove left sheet metal diagonal brace.
  • On all ...

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

General Service Domestic Vehicles -> 2001-02 -> Leak Test -> Electronic Leak Detectors -> Fluid Leak Detectors
Vehicle: 2002 Buick Century Custom 3.1 V6 GAS

Testing the refrigerant system for leaks is one of the most important phases of troubleshooting. One or more of the methods outlined will prove useful in detecting leaks or checking connections if service work is performed. Before beginning any leak test, attach a manifold gauge set and note pressure. If little or no pressure is indicated, a partial charge must be installed. Check all connections, compressor head gasket, oil filler plug and compressor shaft seal for leaks.

For R-134a system an electronic type leak detector is recommended.

Electronic Leak Detectors

...

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

Manual Air Conditioning & Heater System Diagnosis & Testing -> Passenger Cars -> System Diagnosis & Testing -> A/C System Performance Test -> Alero, Grand Am & Malibu -> Bonneville & LeSabre -> Camaro & Firebird -> Cavalier & Sunfire -> Century & Regal -> Corvette -> Diagnostic Tests -> Grand Prix -> Impala & Monte Carlo -> Intrigue -> L-Series -> Lumina -> Metro -> Prizm -> S-Series -> Saturn
Vehicle: 2002 Buick Century Limited 3.1 V6 GAS

On models equipped with a Powertrain Control Module (PCM) or Vehicle Control Module (VCM) controlled A/C system, connect a suitable Scan Tool to the Diagnostic Link Connector (DLC), normally located under the lefthand side of the instrument panel, near the steering column.

A/C System Performance Test

  • Test must be performed with vehicle in a shaded area.
  • Open windows to ventilate interior, then connect suitable A/C service gauge set.
  • Determine relative humidity and ambient temperature and record.
  • Close hood, windows and doors, ensure...

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CLICK HERE TO GET FULL ACCESS TO 2002 Buick Century A/C & HEATER SERVICE PROCEDURES

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

Component Replacement & Adjustment -> Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo & Regal -> Cooling System Bleed -> 3.1L Engine -> 3.4L & 3.8L Engines -> 3.5L Engine
Vehicle: 2002 Buick Century Custom 3.1 V6 GAS

3.1L Engine
  • Open air bleed valve on thermostat housing.
  • If coolant system has been flushed, first add 100 percent ethylene glycol to system.
  • Slowly add clean water to system until level of coolant mixture has reached base of radiator neck.
  • Wait for two minutes and recheck level of coolant mixture, add clean water if necessary to restore coolant mixture level to base of radiator neck.
  • Install radiator cap making certain arrows line up with overflow tube.
  • Close all air bleeds. Do not over torque air bleed valve. Air bleed valve is ma...

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A/C & HEATER SERVICE PROCEDURES FOR 2002 Buick Century 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 Buick Century 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 Buick Century Limited 3.1 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...

CLICK HERE TO GET FULL ACCESS TO 2002 Buick Century A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2002 Buick Century 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 Buick Century 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: 2002 Buick Century Custom 3.1 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...

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Shop online for auto body parts, engines, wheels, lights...

Click here to view more details about 1996 Buick Century Oxygen Sensor, Passenger Side1996 Buick Century Oxygen Sensor, Passenger Side, A high quality, direct fit OE replacement oxygen sensor; Improves car's engine response and gas mileage; Effectively lowers emissions upon replacing its tired old oxygen sensor; Exceeds OE specifications and test requirements; OE part number 25166816..

Source: Auto Body Parts Store

$21.00

Click here to view more details1996 Buick Century Ignition Lock Cylinder, Keys included; For use with chrome retainer bolts; A high quality, direct fit OE replacement ignition lock cylinder; Backed by 1-year limited TruckEFX warranty..

Source: Auto Body Parts Store

$22.93

Click here to view more details about 2002 Buick Century 15" x 6" Alloy Wheel2002 Buick Century 15" x 6" Alloy Wheel, Alloy Wheel; 15 X 6; 52MM Offset; 16 Spokes; 5 Lug; 115MM BP; Aftermarket Chrome, , .

Source: Wheels / Rims, Mirrors & Lights Store

$245.50

Click here to view more details1976 Buick Century Custom V6, 3.8 L, 231 CID Rebuilt Engine, Odd Fire, without smog., Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

$1,491.00

Click here to view more details1997 Buick Century Used Ignition Switch W/Key, w/key, Very Good.

Source: Used Auto Parts Store

$75.00

Click here to view more details1997 Buick Century Used Parking Lamp, Driver Side, FOG/DRIVING; (BUMPER MTD), Average.

Source: Used Auto Parts Store

$64.00
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