Wrangler 4WD L4-150 2.5L VIN P MFI (1998)
Speedometer Gear, A/T: Service and Repair
SPEEDOMETER ADAPTER
Rear axle gear ratio and tire size determine speedometer pinion requirements.
REMOVAL
1. Raise vehicle.
2. Disconnect wires from vehicle speed sensor.
Index Numbers On Speedometer Pinion Adapter
3. Remove adapter clamp and screw.
4. Remove speed sensor and speedometer adapter as assembly.
5. Remove speed sensor retaining screw and remove sensor from adapter.
6. Remove speedometer pinion from adapter.
7. Inspect sensor and adapter O-rings. Remove and discard O-rings if worn or damaged.
8. Inspect terminal pins in speed sensor. Clean pins with MOPAR electrical spray cleaner if dirty or oxidized. Replace sensor if faulty, or pins are
loose, severely corroded, or damaged.
INSTALLATION
1. Thoroughly clean adapter flange and adapter mounting surface in housing. Surfaces must be clean for proper adapter alignment and speedometer
operation.
Index Numbers On Speedometer Pinion Adapter
2. Install new O-rings on speed sensor and speedometer adapter if necessary.
3. Lubricate sensor and adapter O-rings with transmission fluid.
4. Install vehicle speed sensor in speedometer adapter. Tighten sensor attaching screw to 2-3 Nm (15-27 inch lbs.) torque.
5. Install speedometer pinion in adapter.
6. Count number of teeth on speedometer pinion. Do this before installing assembly in housing. Then lubricate pinion teeth with transmission fluid.
