1998 GMC Jimmy
Vehicle Specs & Maintenance Data
The 1998 GMC Jimmy maintenance specs on this page cover the key fluids, torque values, and wear items you need for routine service. Use these numbers as a quick reference when performing oil changes, tire rotations, brake jobs, and other scheduled maintenance on your GMC Jimmy.
For oil changes, the 1998 GMC Jimmy takes 5W-30 motor oil with a capacity of 4.5 quarts. Brake fluid type is DOT 3, the recommended coolant is Dex-Cool (OAT), and transmission fluid is Dexron VI. Always use the manufacturer-recommended fluids to maintain warranty coverage and engine longevity.
When mounting wheels on the GMC Jimmy, torque the lug nuts to 100 ft-lbs using a calibrated torque wrench. Over- or under-torquing can lead to warped brake rotors or loose wheels. Re-torque after 50 to 100 miles on newly installed wheels.
There are 2 NHTSA safety recalls on file for the 1998 GMC Jimmy. Check the Recalls tab below for full details.
Specifications on this page are compiled from multiple publicly available sources including manufacturer documentation, NHTSA data, and automotive databases. Always cross-reference with your owner's manual or official factory documentation before purchasing parts or performing any service.
The 1998 GMC Jimmy uses 5W-30 motor oil (4.5 qt capacity), requires lug nuts torqued to 100 ft-lbs, takes DOT 3 brake fluid.
Enter a diagnostic trouble code to see causes, symptoms, and fixes for the 1998 GMC Jimmy.
No known problems reported for this vehicle yet.
2 NHTSA safety recalls for the 1998 GMC Jimmy. Check your VIN at NHTSA.gov
SUSPENSION:FRONT:CONTROL ARM:LOWER ARM
VEHICLE DESCRIPTION: MULTI-PURPOSE PASSENGER VEHICLE EQUIPPED WITH 4-WHEEL DRIVE OR ALL-WHEEL-DRIVE. ONE OR BOTH OF THE ATTACHING NUTS FOR THE RIGHT-HAND LOWER CONTROL ARM ARE UNDER TORQUED. THIS CAN ALLOW THE ATTACHMENT BOLT TO LOOSEN AND SUBSEQUENT BREAK RESULTING IN SEPARATION OF THE LOWER CONTROL ARM FROM THE FRAME.
THIS CONDITION CAN RESULT IN A LOSS OF VEHICLE CONTROL.
DEALERS WILL INSPECT AND RETIGHTEN THE RIGHT-HAND LOWER CONTROL ARM NUTS TO THE PROPER TORQUE SPECIFICATION.
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND MULTI-PURPOSE PASSENGER VEHICLES. A FATIGUE FRACTURE OF THE REAR AXLE RIGHT-HAND BRAKE PIPE CAN OCCUR CAUSING A SLOW BRAKE FLUID LEAK RESULTING IN A SOFT BRAKE PEDAL. IF THE BRAKE PIPE BREAKS, THE DRIVER WOULD EXPERIENCE A SUDDEN DROP IN THE BRAKE PEDAL, THE INSTRUMENT PANEL BRAKE LIGHT WOULD ILLUMINATE, AND THERE WOULD BE A LOSS OF REAR BRAKE PERFORMANCE.
PARTIAL LOSS OF BRAKING AT A TIME WHEN MINIMUM STOPPING DISTANCE WAS REQUIRED COULD RESULT IN A VEHICLE CRASH.
DEALERS WILL INSPECT AND REPLACE THE BRAKE PIPE.