Difference between 4wd and 2wd and Manual and Auto engine?

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jeepbeep

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Can you swap a 4wd manual 3.7 engine with a auto 2wd 3.7 engine and vice versa direct fit? I'm seeing mixed answers through search.

What about a 2006 4wd manual 3.7 in to a 2003 2wd auto 3.7?
 
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tjkj2002

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2wd or 4wd does not matter,either does being auto or manual trans.

The year matters as '02 engines and some early '03's used different tone rings for the cam and crank sensors which will not talk right with newer engines.
 

TwoBobsKJ

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^^^What Troy said^^^

See the engine swap overview in the How-To section on which model year engines will go into your Jeep as a direct fit and which model years will require a modification.


Bob
 

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