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is it repairable

Old 12-19-2015, 09:01 PM
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Default is it repairable

i have a 2004 jeep cherokee 4.0 straight 6. thought i blow the head gasket but come to find out number 6 cyclender broke the piston and put the rod throw the cylender wall. are the cyclenders pressed or full cast i cant tell. if there pressed how do you get them out I.E what tool i need. if its cast just say so and ill get a used motor from the salvage yard.
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Old 12-19-2015, 09:04 PM
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Year: 1996
Model: Cherokee
Engine: 4.0
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Junkyard time.
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Old 12-19-2015, 09:25 PM
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k thanks
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Old 12-19-2015, 09:44 PM
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I wouldn't waste my time on your engine i would replace it.
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Old 12-20-2015, 02:22 PM
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Welcome to CF!

There are a couple of things to look out for when searching for a new engine. It's going to have to be from a 99-04 because the motor mount locations were changed and the older ones won't fit your jeep. Three things to identify these are ignition coil packs and the oil filter mounted on the side or the block, as well as the lack of a distributor. The 99-01s had head cracking problems, so if you use one of those, use your old head if it's repairable or unscathed. Someone mentioned the 4.0 was used in 05, but I haven't checked that out yet.

If the 99-01 engine has a head on it with a "TUPY" stamped on it, someone has replaced it already with the later head, so it's good to go. One thing I found out is as of 2002, the oil pressure sensor is just a slide switch, so the oil pressure gauge doesn't actually read pressure, just 40 psi all the time. IDK why.
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