1998 GMC K1500 Pickup A/C & Heater Service (ONLINE REPAIR MANUALS)

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1998 GMC K1500 Pickup car and truck repair procedures including GMC engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your 1998 GMC K1500 Pickup automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 1998 GMC K1500 Pickup

  • 1998 GMC K1500 Pickup Sierra 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:R
  • 1998 GMC K1500 Pickup Sierra 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:W
  • 1998 GMC K1500 Pickup Sierra 6.5 V8 DIESEL, CID:395, Fuel Injection, Aspiration:395, Engine VIN:, Desg:S
  • 1998 GMC K1500 Pickup Sierra 5.0 V8 GAS, CID:305, Fuel Injection, Aspiration:305, Engine VIN:, Desg:M
  • 1998 GMC K1500 Pickup Sierra XC 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:R
  • 1998 GMC K1500 Pickup Sierra XC 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:W
  • 1998 GMC K1500 Pickup Sierra XC 6.5 V8 DIESEL, CID:395, Fuel Injection, Aspiration:395, Engine VIN:, Desg:S
  • 1998 GMC K1500 Pickup Sierra XC 5.0 V8 GAS, CID:305, Fuel Injection, Aspiration:305, Engine VIN:, Desg:M

A/C & HEATER SERVICE PROCEDURES FOR 1998 GMC K1500 Pickup 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 1998 GMC K1500 Pickup cars and light trucks from 1990+

Electric Cooling Fans -> Light Duty Trucks & Vans -> System Diagnosis & Testing -> C, K & P Series -> Montana, Silhouette, Trans Sport & Venture
Vehicle: 1998 GMC K1500 Pickup Sierra XC 5.7 V8 GAS

Montana, Silhouette, Trans Sport & Venture

Refer to Fig. for diagnosis and testing procedures. If a fan blade is bent or damaged, replace...

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A/C & HEATER SERVICE PROCEDURES FOR 1998 GMC K1500 Pickup 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 1998 GMC K1500 Pickup cars and light trucks from 1990+

Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Cooling System Bleed -> Astro, Bravada, C, G, K, P, Safari, S, T & Tracker -> Montana, Silhouette, Trans Sport & Venture
Vehicle: 1998 GMC K1500 Pickup Sierra 5.0 V8 GAS

Astro, Bravada, C, G, K, P, Safari, S, T & Tracker

These engines do not require a special bleed procedure. After filling cooling system, run engine and allow to reach normal operating temperature with pressure cap off. Air will then automatically bleed through cap opening.

Montana, Silhouette, Trans Sport & Venture
  • Fill cooling system and leave radiator cap off.
  • Turn A...

CLICK HERE TO GET FULL ACCESS TO 1998 GMC K1500 Pickup A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1998 GMC K1500 Pickup 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 1998 GMC K1500 Pickup cars and light trucks from 1990+

Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Cooling System Bleed -> Astro, Bravada, C, G, K, P, Safari, S, T & Tracker -> Montana, Silhouette, Trans Sport & Venture
Vehicle: 1998 GMC K1500 Pickup Sierra 5.7 V8 GAS

Astro, Bravada, C, G, K, P, Safari, S, T & Tracker

These engines do not require a special bleed procedure. After filling cooling system, run engine and allow to reach normal operating temperature with pressure cap off. Air will then automatically bleed through cap opening.

Montana, Silhouette, Trans Sport & Venture
  • Fill cooling system and leave radiator cap off.
  • Turn A...

CLICK HERE TO GET FULL ACCESS TO 1998 GMC K1500 Pickup A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1998 GMC K1500 Pickup 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 1998 GMC K1500 Pickup cars and light trucks from 1990+

Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Condenser, Replace -> Astro & Safari -> Bravada, S & T Series -> C & K Series -> G Series -> Montana, Silhouette, Trans Sport & Venture -> P Series -> Tracker
Vehicle: 1998 GMC K1500 Pickup Sierra XC 4.3 V6 GAS

Astro & Safari
  • Recover refrigerant as outlined under .
  • Remove grille and front end panel.
  • Disconnect radiator tie bar support at top.
  • Disconnect refrigerant lines from condenser. Cap lines and fittings to prevent dirt or moisture from entering system.
  • Remove condenser.
  • Reverse procedure to install.
C & K Series
  • Recover refrigerant as outlined under .
  • Remove grille assembly.
  • Remove condenser inlet and discharge lines. Cap lines and fittings to prevent dirt or moisture from entering system.
  • Remove condenser ...

CLICK HERE TO GET FULL ACCESS TO 1998 GMC K1500 Pickup A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1998 GMC K1500 Pickup 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 1998 GMC K1500 Pickup cars and light trucks from 1990+

Compressor Service -> Application Chart -> Light Trucks & Vans
Vehicle: 1998 GMC K1500 Pickup Sierra XC 5.0 V8 GAS

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CLICK HERE TO GET FULL ACCESS TO 1998 GMC K1500 Pickup A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1998 GMC K1500 Pickup 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 1998 GMC K1500 Pickup cars and light trucks from 1990+

Air Bag System Precautions -> General Motors Corp. -> Arming -> Light Trucks & Vans -> Passenger Cars
Vehicle: 1998 GMC K1500 Pickup Sierra 5.7 V8 GAS

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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