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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1998 GMC K2500 Suburban 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 K2500 Suburban automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1998 GMC K2500 Suburban
- 1998 GMC K2500 Suburban 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:R
- 1998 GMC K2500 Suburban 6.5 V8 DIESEL, CID:395, Fuel Injection, Aspiration:395, Engine VIN:, Desg:F
- 1998 GMC K2500 Suburban 7.4 V8 GAS, CID:454, Fuel Injection, Aspiration:454, Engine VIN:, Desg:J
A/C & HEATER SERVICE PROCEDURES FOR 1998 GMC K2500 Suburban 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 K2500 Suburban cars and light trucks from 1990+
Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Control Assembly, Replace -> Astro, Bravada & Safari -> C & K Series -> G & P Series -> Montana, Silhouette, Trans Sport & Venture -> S & T Series
Vehicle: 1998 GMC K2500 Suburban 7.4 V8 GAS
Astro, Bravada & Safari
- Set parking brake and move gear selector to the 1st gear position.
- Lower tilt steering column to its' lowest position.
- Grasp edges of instrument cluster trim plate and pull away from instrument panel.
- Remove accessory switches from cluster trim plate by releasing tabs located on sides of switches.
- Disconnect headlamp and accessories electrical connectors, then remove cluster trim plate.
- Remove control assembly retaining screw from lefthand side of control assembly.
- Disconnect electrical and vacuum conn...
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A/C & HEATER SERVICE PROCEDURES FOR 1998 GMC K2500 Suburban 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 K2500 Suburban cars and light trucks from 1990+
Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Expansion Tube (Orifice), Replace -> C, K, S & T Series -> G Van -> Montana, Silhouette, Trans Sport & Venture
Vehicle: 1998 GMC K2500 Suburban 5.7 V8 GAS
G Van
- Recover refrigerant as outlined under .
- Remove evaporator tube to evaporator case retainer.
- Remove evaporator tube from evaporator case.
- Remove orifice tube from evaporator. If orifice tube is difficult to remove, carefully apply heat to fitting.
- Reverse procedure to install.
C, K, S & T Series
- Recover refrigerant as outlined under .
- Loosen nut at liquid line to evaporator inlet pipe connection. Carefully remove tube, using needle nose pliers or other suitable tool. If expansion tube is seized in its...
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A/C & HEATER SERVICE PROCEDURES FOR 1998 GMC K2500 Suburban 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 K2500 Suburban cars and light trucks from 1990+
Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Dash Panel, Replace -> Montana, Silhouette, Trans Sport & Venture -> S & T Series -> Tracker
Vehicle: 1998 GMC K2500 Suburban 7.4 V8 GAS
S & T Series
- Remove instrument cluster trim screws, then the trim.
- Tilt steering column down, then set parking brake and lock wheels.
- On models equipped with automatic transmission, place transmission in Low.
- On all models, remove lefthand dash panel sound insulator, Fig. .
- Disconnect Data Link Connector (DLC), then remove RKE/delay module.
- Remove center dash panel sound insulator, Fig. .
- Remove parking brake release cable by squeezing retainers, then disconnect cable slug from park brake mechanism.
- Remove knee bolster, then t...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC K2500 Suburban A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 GMC K2500 Suburban 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 K2500 Suburban cars and light trucks from 1990+
Air Bag System Precautions -> General Motors Corp. -> Arming -> Light Trucks & Vans -> Passenger Cars
Vehicle: 1998 GMC K2500 Suburban 6.5 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,...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC K2500 Suburban A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 GMC K2500 Suburban 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 K2500 Suburban cars and light trucks from 1990+
Electric Cooling Fans -> Light Duty Trucks & Vans -> Precautions -> Air Bag System Disarming & Arming -> Battery Ground Cable
Vehicle: 1998 GMC K2500 Suburban 6.5 V8 DIESEL
Air Bag System Disarming & Arming
Refer to and for air bag system disarming and arming procedures.
Battery Ground Cable
...CLICK HERE TO GET FULL ACCESS TO 1998 GMC K2500 Suburban A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 GMC K2500 Suburban 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 K2500 Suburban cars and light trucks from 1990+
Manual Air Conditioning & Heater System Diagnosis & Testing -> Light Duty Trucks & Vans -> System Diagnosis & Testing -> 1998 Tracker -> 1999-2000 Sierra & Silverado -> 1999-2000 Tracker -> A/C System Performance Test -> Astro & Safari -> C & K Series Except 1999-2000 Sierra & Silverado -> Diagnostic Tests -> Functional Test -> G Series -> Montana, Silhouette & Venture -> P Series -> S & T Series
Vehicle: 1998 GMC K2500 Suburban 7.4 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.
Functional Test
Refer to Figs. through for A/C system functional test.
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 hu...
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