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Old April 13th, 2007, 18:35
cjben cjben is offline
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engine swap: 96 4.0 auto engine where 92 4.0 manual tranny engine is

Soon i will be swapping an 96 4.0 into my 92 xj. I am not really worried about the electronics and sensors,I will just use my 92 stuff. my question is this: my 92 jeep has the 5 speed manual tranny and the 96 engine i will be putting in it was from an automatic xj. Can i just buy a pilot bearing for my 92 and put it in the 96,or will machining need to be done to the crankshaft to get it to fit the pilot bearing? I am hoping this is as simple as putting in a new pilot bearing. I will need to get the swap done as soon as possible once i get started,will not have time to take the engine/crankshaft in for machining if that is what needs to be done. thanks for the replies!! Ben
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Old April 13th, 2007, 21:47
lawsoncl lawsoncl is offline
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Re: engine swap: 96 4.0 auto engine where 92 4.0 manual tranny engine is

Napa shows the same pilot bearing for both years, so I think it's a straight swap. The end of the crank should already be drilled. I would highly recommend replacing the pilot bearing while you're in there since it's only $7.49 and a bad pilot can destroy the tranny input shaft (btdt). Maybe do the clutch too, depending on the mileage and condition.
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Old April 13th, 2007, 22:39
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5-90 5-90 is offline
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Re: engine swap: 96 4.0 auto engine where 92 4.0 manual tranny engine is

Swap the flexplate for the flywheel, install the pilot bearing/bushing (there should be none in the automatic, since the coupling there is rigid) and install 1992 sensors (the 1996 is OBD-II, and some of the sensors are different. I don't recall which ones.)

Yeah - pretty simple, since it's not a conversion.
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Old April 14th, 2007, 11:24
cjben cjben is offline
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Re: engine swap: 96 4.0 auto engine where 92 4.0 manual tranny engine is

thanks,I was hoping it was as simple as just putting a new pilot bearing into the crankshaft of the 96 engine
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Old January 21st, 2010, 18:52
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rcnerd rcnerd is offline
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Re: engine swap: 96 4.0 auto engine where 92 4.0 manual tranny engine is

Allright I'm going to revive this old thread:

So am I to understand that an engine from an auto or from a manual will fit into a manual?

I just picked up a manual zj (yes, seriously, a manual zj) with a buggered engine. can I install one from an auto without using custom pilot bushing?
Thanks!
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