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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1998 GMC Jimmy 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 Jimmy automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1998 GMC Jimmy
- 1998 GMC Jimmy 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:W
- 1998 GMC Jimmy Envoy 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:W
BRAKE SERVICE PROCEDURES FOR 1998 GMC Jimmy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC Jimmy cars and light trucks from 1990+.
Drum Brakes -> Adjustments -> Astro, Bravada, S & T Series & Safari -> Automatic Apply Parking Brakes -> Aztek, Montana, Silhouette, Trans Sport & Venture -> C & K Series -> Control Rod -> G & P Series -> Lever Type -> Manual Parking Brake -> Optional Method -> Pedal Type -> Propeller Shaft Type -> Service Brake -> Standard Method -> Tracker
Vehicle: 1998 GMC Jimmy Envoy 4.3 V6 GAS
Service Brake
These brakes have self-adjusting shoe mechanisms that ensure correct lining-to-drum clearances at all times. The automatic adjusters operate only when the brakes are applied as the vehicle is moving rearward or when the car comes to an uphill stop.
Although the brakes are self-adjusting, an initial adjustment is necessary after the brake shoes have been relined or replaced, or when the length of the adjusting screw has been changed during some other service operation.
Frequent usage of an automatic transmission forward range to halt reverse vehicle motion may prevent the ...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC Jimmy BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC Jimmy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC Jimmy cars and light trucks from 1990+.
Anti-lock Brakes -> Kelsey-Hayes -> Precautions -> Battery Ground Cable -> Delco LOC II -> General Service Precautions -> Radio Security System -> Theftlock
Vehicle: 1998 GMC Jimmy 4.3 V6 GAS
Battery Ground Cable
Prior to service disconnect battery ground cable and isolate as required.
Radio Security System
Theftlock
If the Theftlock system is active when battery power is interrupted, the customers security code must be entered to restore proper function of the radio. To unlock a secured radio after power loss, proceed as follows:
- "LOC" appears with ignition in On position.
- Press "NM" and "000" will appear on display.
- Press "NM" again to make last two digits agree with security code.
- Press "HR" to make first 1 or 2 digits agree with security code.
- Press "AM-FM" to select code entered. "SEC" wi...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC Jimmy BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC Jimmy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC Jimmy cars and light trucks from 1990+.
Hydraulic Brake Systems -> Description -> Hydraulic Control Valves -> Master Cylinder
Vehicle: 1998 GMC Jimmy 4.3 V6 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 Jimmy BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC Jimmy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC Jimmy cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Brake Pad Service -> Installation -> Removal
Vehicle: 1998 GMC Jimmy Envoy 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 Jimmy BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC Jimmy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC Jimmy cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Precautions -> Brake Disc Service -> Brake Lines & Linings -> Brake Roughness -> General
Vehicle: 1998 GMC Jimmy Envoy 4.3 V6 GAS
Brake Lines & Linings
Remove one of the front wheels and inspect the brake disc, caliper and linings.
Do not allow any oil or grease on the linings. It is recommended that linings be replaced in sets when worn or damaged.
If the caliper is cracked or fluid leakage through the casting is evident, it must be replaced as a unit.
Brake Roughness
The most common cause of brake chatter on disc brakes is a variation in thickness of the disc. If roughness or vibration is encountered during highway operation or if pedal pumping is experienced at low speeds, the disc may have excessive thickness v...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC Jimmy BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC Jimmy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 GMC Jimmy cars and light trucks from 1990+.
Anti-lock Brakes -> Kelsey-Hayes -> Precautions -> Battery Ground Cable -> Delco LOC II -> General Service Precautions -> Radio Security System -> Theftlock
Vehicle: 1998 GMC Jimmy Envoy 4.3 V6 GAS
Battery Ground Cable
Prior to service disconnect battery ground cable and isolate as required.
Radio Security System
Theftlock
If the Theftlock system is active when battery power is interrupted, the customers security code must be entered to restore proper function of the radio. To unlock a secured radio after power loss, proceed as follows:
- "LOC" appears with ignition in On position.
- Press "NM" and "000" will appear on display.
- Press "NM" again to make last two digits agree with security code.
- Press "HR" to make first 1 or 2 digits agree with security code.
- Press "AM-FM" to select code entered. "SEC" wi...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC Jimmy BRAKE SERVICE PROCEDURES
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