Wrangler 4WD L4-150 2.5L VIN P MFI (1998)
Camshaft Gear/Sprocket: Service and Repair
NOTE: The timing chain tensioner reduces noise and prolongs timing chain life. In addition, it compensates for slack in a worn or stretched chain and
maintains the correct valve timing.
REMOVAL
1. Disconnect negative cable from battery.
2. Remove the fan and shroud.
3. Remove the serpentine drive belt.
4. Remove the crankshaft vibration damper.
5. Remove the timing case cover.
6. Rotate crankshaft until the "0" timing mark is closest to and on the center line with camshaft sprocket timing mark.
7. Remove the oil slinger from the crankshaft.
8. Remove the camshaft retaining bolt and remove the sprockets and chain as an assembly.
9. To replace the timing chain tensioner, the oil pan must be removed.
INSTALLATION
