91 Jeep Cherokee overheating

Asked by GuruL5NFB Mar 25, 2019 at 03:31 AM about the 1991 Jeep Cherokee 4-Door RWD

Question type: Maintenance & Repair

Just bought a 91 Cherokee Jeep 4.0l 2wd with
roughly 316000 miles from original
owner..overheats and runs hot. Owner says has
cracked gasket and lower radiator hose. Bought
the car, eplaced radiator hose, added gasket
sealer from autozone and coolant. Drove it 3 miles
before I heard a knock then the engine shut off and
started smoking at the light. Parked at the nearest
store, and it was running on almost no oil. Cranks
but does not start. I bought Lucas oil treatment 1
qt along with 2qts of motor oil. Letting it sit for 24
hours then I will go and maybe add a gas additive
along with starter fluid. Any other suggestions?

1 Answer
103,215

KenF answered 5 years ago

I would evaluate this engine for major defects, like a blown head gasket, excessive oil bypass, bearing play, or timing chain play, before doing anything else. With 316K miles on it, it may be done, and the only real fix is either a rebuild or replacement engine.

Mark helpful

Your Answer:

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