Problems with the new jeep
#16
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#17
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Personally, I'd change the oil and flush the coolant before doing anything else, see where you're at and go from there if you're not 100% certain that the head is cracked. If you are, more than likely you're good to go with just a new clearwater head.
If you're going to pull the pan and check the bearings - go for it and then you'll know.
.
Good thinking. You figure you can get 6 qts of basic oil and some cheaper coolant for maybe 50 bucks and see how it goes. If it holds up for awhile, then you just change the oil and coolant to what you want to use and run it as normal. If you can get away with it, save yourself the trouble. You said the oil pressure is good and the compression isn't terrible. Worst case scenario you have to do the work anyway with a new head.
While your sister is using it, keep an eye out for maybe a parts jeep that you can get an engine and maybe other parts off of. I know around here parts jeeps usually go for less than 1000, and they usually can run and drive, at least onto a trailer.
#18
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Join Date: Feb 2013
Location: Justin, TEXAS
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Year: 1988
Model: Cherokee
Engine: 4.0
Good thinking. You figure you can get 6 qts of basic oil and some cheaper coolant for maybe 50 bucks and see how it goes. If it holds up for awhile, then you just change the oil and coolant to what you want to use and run it as normal. If you can get away with it, save yourself the trouble. You said the oil pressure is good and the compression isn't terrible. Worst case scenario you have to do the work anyway with a new head.
While your sister is using it, keep an eye out for maybe a parts jeep that you can get an engine and maybe other parts off of. I know around here parts jeeps usually go for less than 1000, and they usually can run and drive, at least onto a trailer.
While your sister is using it, keep an eye out for maybe a parts jeep that you can get an engine and maybe other parts off of. I know around here parts jeeps usually go for less than 1000, and they usually can run and drive, at least onto a trailer.
#19
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Year: 1995
Model: Cherokee(XJ)
Engine: I6 4.0L
I had the impeller break on the water pump on my Wrangler.. 1000 miles from home on a road trip and my friend was driving - I woke up to my radiator being blown up and a massive overheating... a few times running the engine hot in the Maryland summer heat (it was 90-100 outside) and never cracked the 0331 head. The engine still runs great with over 300k on it.
That experience leads me to believe that it's the specific head - either it's the ticking time bomb (and doesn't require overheating to fail) or it's fine and no better or worse than any other head on these amazing engines.
That said - it's probably best to just go ahead and replace the head if you're willing to do it. I say this considering it's your sister and you probably want her to be safe and sound and not breaking down in a bad part of town.
That experience leads me to believe that it's the specific head - either it's the ticking time bomb (and doesn't require overheating to fail) or it's fine and no better or worse than any other head on these amazing engines.
That said - it's probably best to just go ahead and replace the head if you're willing to do it. I say this considering it's your sister and you probably want her to be safe and sound and not breaking down in a bad part of town.
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