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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1998 GMC Sonoma 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 Sonoma automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1998 GMC Sonoma
- 1998 GMC Sonoma 2.2 L4 GAS, CID:134, Fuel Injection, Aspiration:134, Engine VIN:, Desg:4
- 1998 GMC Sonoma 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:W
- 1998 GMC Sonoma 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:X
BRAKE SERVICE PROCEDURES FOR 1998 GMC Sonoma AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC Sonoma cars and light trucks from 1990+.
Hydraulic Brake Systems -> Description -> Hydraulic Control Valves -> Master Cylinder
Vehicle: 1998 GMC Sonoma 2.2 L4 GAS
Master Cylinder
Some vehicles use a conventional tandem master cylinder with two hydraulic pistons operating in-line. The primary piston controls the front brake system and the secondary piston controls the rear brake system.
Other models use a master cylinder that operates the same as the conventional master cylinder, but also incorporates a quick take-up feature in the rear chamber to reduce excessive pedal travel which may result from increased fluid displacement required to move the low drag caliper piston out against the rotor.
The quick take-up uses a spring-loaded ball check val...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC Sonoma BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC Sonoma AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC Sonoma cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Brake Pad Service -> Installation -> Removal
Vehicle: 1998 GMC Sonoma 4.3 V6 GAS
Removal
- Remove caliper as outlined under "Caliper Service."
- Remove inboard pad with retainer spring.
- Remove outboard pad and position caliper on front suspension so brake hose will not support weight of caliper.
- Remove two sleeves from inboard ears of caliper.
- Remove four rubber bushings from grooves in each of caliper ears.
Installation
- Lubricate new sleeves, rubber bushings, bushing grooves and mounting bolt ends with lubricant part No. 19010909, or equivalent.
- Install new bushings and sleeves in caliper e...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC Sonoma BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC Sonoma AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC Sonoma cars and light trucks from 1990+.
Anti-lock Brakes -> Kelsey-Hayes -> Description
Vehicle: 1998 GMC Sonoma 4.3 V6 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...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC Sonoma BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC Sonoma AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC Sonoma cars and light trucks from 1990+.
Power Brake Units -> Bendix Brake Booster -> Troubleshooting -> Accumulator Leak-Down, System Does Not Hold Charge -> Grabby Brakes Or Booster Chatters/Pedal Vibrates -> Slow Brake Pedal Return
Vehicle: 1998 GMC Sonoma 4.3 V6 GAS
Slow Brake Pedal Return
- Excessive seal friction in booster.
- Faulty spool action.
- Restriction in return line from booster to pump reservoir.
- Damaged input rod end.
Grabby Brakes Or Booster Chatters/Pedal Vibrates
- Faulty spool action caused by contamination in sys...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC Sonoma BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC Sonoma AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC Sonoma cars and light trucks from 1990+.
Power Brake Units -> Bendix Brake Booster -> Troubleshooting -> Accumulator Leak-Down, System Does Not Hold Charge -> Grabby Brakes Or Booster Chatters/Pedal Vibrates -> Slow Brake Pedal Return
Vehicle: 1998 GMC Sonoma 4.3 V6 GAS
Slow Brake Pedal Return
- Excessive seal friction in booster.
- Faulty spool action.
- Restriction in return line from booster to pump reservoir.
- Damaged input rod end.
Grabby Brakes Or Booster Chatters/Pedal Vibrates
- Faulty spool action caused by contamination in sys...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC Sonoma BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC Sonoma AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC Sonoma cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Tightening Specifications
Vehicle: 1998 GMC Sonoma 4.3 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 1998 GMC Sonoma BRAKE SERVICE PROCEDURES
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