2001 GMC Sierra 3500 A/C & Heater Service (ONLINE REPAIR MANUALS)

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We have info for following modifications of 2001 GMC Sierra 3500

  • 2001 GMC Sierra 3500 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U
  • 2001 GMC Sierra 3500 8.1 V8 GAS, CID:496, Fuel Injection, Aspiration:496, Engine VIN:, Desg:G
  • 2001 GMC Sierra 3500 6.6 V8 DIESEL, CID:400, Fuel Injection, Aspiration:400, Engine VIN:, Desg:1

A/C & HEATER SERVICE PROCEDURES FOR 2001 GMC Sierra 3500 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 2001 GMC Sierra 3500 cars and light trucks from 1990+

Orifice Tube/Expansion Valve Locations -> Domestic Light Trucks & Vans -> 2001-02
Vehicle: 2001 GMC Sierra 3500 6.6 V8 DIESEL

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A/C & HEATER SERVICE PROCEDURES FOR 2001 GMC Sierra 3500 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 2001 GMC Sierra 3500 cars and light trucks from 1990+

Vacuum & Wiring Diagrams -> Light Duty Trucks & Vans
Vehicle: 2001 GMC Sierra 3500 6.6 V8 DIESEL

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CLICK HERE TO GET FULL ACCESS TO 2001 GMC Sierra 3500 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2001 GMC Sierra 3500 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 2001 GMC Sierra 3500 cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 2001 GMC Sierra 3500 8.1 V8 GAS

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CLICK HERE TO GET FULL ACCESS TO 2001 GMC Sierra 3500 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2001 GMC Sierra 3500 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 2001 GMC Sierra 3500 cars and light trucks from 1990+

General Service Domestic Vehicles -> 2001-02 -> Pressure Gauge Indication
Vehicle: 2001 GMC Sierra 3500 6.0 V8 GAS

Due to the different types of models and systems, the following typical pressure gauge indications should be used as a guide only as shown in Fig. . Refer to the "Performance Tests" or "System Pressure Check" for the particular model being tested. When indications other than normal are encountered, these typical indication charts will assist in diagnosing the refrigerant system. It should be noted that pressures may vary slightly above or below due to changes in ambient temperature and relative humidity.

CLICK HERE TO GET FULL ACCESS TO 2001 GMC Sierra 3500 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2001 GMC Sierra 3500 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 2001 GMC Sierra 3500 cars and light trucks from 1990+

Manual Air Conditioning & Heater System Diagnosis & Testing -> Light Duty Trucks & Vans -> System Diagnosis & Testing -> A/C System Performance Test -> Astro & Safari -> Avalanche, Escalade, Escalade EXT, Sierra, Silverado, Suburban, Tahoe, Yukon & Yukon XL -> Aztek & Rendezvous -> Blazer, Bravada, Envoy, Jimmy, S10, Sonoma & Trailblazer -> Diagnostic Tests -> Express & Savana -> Intermittent & Poor Connections -> Intermittents -> Montana, Silhouette & Venture -> Poor Connections -> Tracker -> Vue
Vehicle: 2001 GMC Sierra 3500 8.1 V8 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 behind the lefthand side of the instrument panel, near the steering column.

A/C System Performance Test

Astro & Safari

Refer to Fig. , for A/C performance test procedure and standard values.

Avalanche, Escalade, Escalade EXT, Sierra, Silverado, Suburban, Tahoe, Yukon & Yukon XL

Refer to Fig. , for A/C performance test procedure and standar...

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CLICK HERE TO GET FULL ACCESS TO 2001 GMC Sierra 3500 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2001 GMC Sierra 3500 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 2001 GMC Sierra 3500 cars and light trucks from 1990+

Air Bag System Precautions -> General Motors Corp. -> Arming -> Light Trucks & Vans -> Passenger Cars
Vehicle: 2001 GMC Sierra 3500 6.6 V8 DIESEL

Passenger Cars

Reverse disarming procedures to arm the Supplemental Restraint System, noting the following:

  • Ensure all disconnected SRS electrical connectors are securely connected and routed.
  • Install all removed fuses in proper locations.
  • From a safe position at sides of or below air bag module, Turn ignition switch to ON position and observe Air Bag or SRS warning lamp.
  • On all models except Prizm and 1990 Corvette, warning lamp should flash seven to nine times, then go off.
  • On Prizm models, warning lamp should light for six seconds,...

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