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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1998 GMC C1500 Suburban car and truck
repair procedures including GMC engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
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We have info for following modifications of 1998 GMC C1500 Suburban
- 1998 GMC C1500 Suburban 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:R
- 1998 GMC C1500 Suburban 6.5 V8 DIESEL, CID:395, Fuel Injection, Aspiration:395, Engine VIN:, Desg:F
BRAKE SERVICE PROCEDURES FOR 1998 GMC C1500 Suburban AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC C1500 Suburban cars and light trucks from 1990+.
Power Brake Units -> Delco Brake Booster -> General Service
Vehicle: 1998 GMC C1500 Suburban 6.5 V8 DIESEL
Certain general service procedures apply, regardless of whether the brakes are vacuum or hydraulically assisted. Only top quality, clean brake fluid should be used. More seals and valves are used with power brake systems than with ordinary brakes, so an inferior brake fluid will do much more damage. For the same reason, ensure all dirt is kept out of the system. Additionally, on models with hydraulic assist brakes, care must be taken not to mix the fluids of the booster hydraulic system and brake hydraulic system as the fluids are not compatible.
If the power unit fails, the brak...
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BRAKE SERVICE PROCEDURES FOR 1998 GMC C1500 Suburban AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC C1500 Suburban cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Tightening Specifications
Vehicle: 1998 GMC C1500 Suburban 6.5 V8 DIESEL
CLICK HERE TO GET FULL ACCESS TO 1998 GMC C1500 Suburban BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC C1500 Suburban AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC C1500 Suburban cars and light trucks from 1990+.
Hydraulic Brake Systems -> Adjustments -> Height Sensing Proportioning Valve
Vehicle: 1998 GMC C1500 Suburban 5.7 V8 GAS
Height Sensing Proportioning Valve
The height sensing proportioning valve must be adjusted whenever the valve and/or linkage is disassembled or removed for service. In addition, adjustment should be checked if excessive front wheel lock-up is experienced with a lower than desired brake application rate when vehicle is at or near maximum GVWR.
- Raise and support vehicle, leave wheels on and allow axle to hang freely.
- Remove lever retaining nut and disconnect lever from valve shaft, Fig. .
- Rotate valve shaft to permit installation of correct adjustment gauge, Fig. , ensure D shaped ho...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC C1500 Suburban BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC C1500 Suburban AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC C1500 Suburban cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Rotor Replacement -> 2WD Models -> 4WD Models -> Astro, Blazer, Bravada, Jimmy, K1500/2500 & T Series Pickup -> Except Montana, Silhouette, Trans Sport & Venture -> Front -> K3500 -> Montana, Silhouette, Trans Sport & Venture -> Rear
Vehicle: 1998 GMC C1500 Suburban 5.7 V8 GAS
2WD Models
Except Montana, Silhouette, Trans Sport & Venture
Front
- Raise and support vehicle.
- Remove tire and wheel assembly.
- Remove caliper as outlined under "Caliper Service."
- Remove grease cap from hub/rotor, Fig. .
- Remove cotter pin, nut and washer.
- Remove hub/rotor from spindle, being careful not to damage spindle threads or outer bearing.
- Reverse procedure to install, noting the following:
- Apply high-temperature wheel bearing grease to inner and outer wheel bearings.
- Torque nut to 12 ft. lbs. while turning wheel assembly forward by hand, back nut off one flat or until hole in spindle...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC C1500 Suburban BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC C1500 Suburban AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC C1500 Suburban cars and light trucks from 1990+.
Anti-lock Brakes -> Kelsey-Hayes -> System Service -> 1997-2000 C & K Series Except 1999-2000 Sierra, Silverado & 2000 Suburban, Tahoe & Yukon -> 1997-2000 w/310 ABS -> 1999-2000 Sierra, Silverado & 2000 Suburban, Tahoe, Yukon & 2001 C & K Series -> 2000-01 w/325 ABS -> Astro & Safari -> Brake Pressure Modulator Valve (BPMV) -> Brake System Bleed -> C & K Series Except C3500HD -> C3500HD -> Component Replacement -> Electronic Brake Control Module (EBCM) -> Front Wheel Speed Sensor -> G Van -> Installation -> Manual Bleed -> P Series -> Pressure Bleed -> Removal -> S & T Series
Vehicle: 1998 GMC C1500 Suburban 5.7 V8 GAS
Brake System Bleed
Gravity and vacuum bleeding procedures are not recommended for use with the anti-lock brake system. The manual bleed procedure is the preferred method, although pressure bleeding is also possible. Do not pump the brake pedal during the bleeding process, as fluid aeration may occur.
Manual Bleed
- Raise and support vehicle, then connect a clear plastic tube to brake bleed screw at righthand rear wheel.
- Place free end of tube in a glass jar partially filled with clean brake fluid. Ensure end of tube remains submerged in fluid and master cylinder reservoir is kept full.
- ...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC C1500 Suburban BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC C1500 Suburban AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC C1500 Suburban cars and light trucks from 1990+.
Anti-lock Brakes -> Kelsey-Hayes -> Description
Vehicle: 1998 GMC C1500 Suburban 5.7 V8 GAS
This system is used on all models except Montana, Silhouette, Tracker, Trans Sport and Venture. On 2000 S & T Series , four door utility vehicles can be equipped with either a 310 or 325 ABS system. Pickups and two-door utility vehicles are equipped with 310 ABS systems. While both systems are functionally the same, the 310 differs in size and appearance from the 325. It is designed to reduce the occurrence of wheel lock-up during severe braking conditions. To accomplish this function, the system regulates hydraulic brake line pressure by using an Electro-Hydraulic Control Unit (EHC...
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