Cherokee 4WD L6-4.0L VIN S (1998)
CAUTION: Do not use oil filter with metric threads. The proper oil filter has SAE type 3/4 X 16 threads. An oil filter with metric threads can result
in oil leaks and engine failure.
All Jeep engines are equipped with a high quality full-flow, throw-away type oil filter. Chrysler Corporation recommends a Mopar or equivalent oil
filter be used.
Oil Filter Removal
1. Position a drain pan under the oil filter.
2. Using a suitable oil filter wrench loosen filter.
Fig.8 Oil Filter-2.5L Engine
Fig.9 Oil Filter-4.0L Engine
3. Rotate the oil filter counterclockwise to remove it from the cylinder block oil filter boss or filter adapter housing.
4. When filter separates from adapter nipple, tip gasket end upward to minimize oil spill. Remove filter from vehicle.
5. Make sure old gasket comes off with oil filter. With a wiping cloth, clean the gasket sealing surface of oil and grime.
Oil Filter Installation
(l) Lightly lubricate oil filter gasket with engine oil or chassis grease.
Fig. 10 Oil Filter Sealing Surface-Typical
