4.0 short block help

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Oct 21, 2012 | 05:57 PM

sawjeep

Thread Starter

Newbie

Joined: Mar 2012

Posts: 2

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From: north east

Year: 2000

Model: Cherokee

Engine: 4.0

4.0 short block help

My questions are.Will a 97 cherokee short block assembly fit in a 2000 cherokee? What needs changed to swap it in? My cyl head is new and I have a 97 short block to rebuild this winter.When it is ready I will swap it out.TIA.

Oct 21, 2012 | 07:14 PM

cruiser54

::CF Moderator::

Joined: Aug 2011

Posts: 43,971

Likes: 1,578

From: Prescott, Az

Year: 1990

Model: Cherokee (XJ)

Engine: 4.0

XJ Cherokee and ZJ Grand Cherokee 4.0L engine blocks interchange.

2000+ TJ Wrangler and WJ Grand Cherokee 4.0L engine blocks interchange.

XJ/ZJ blocks and 2000+ TJ/WJ blocks do not interchange without significant modifications. (1997-1999 4.0L TJ Wrangler blocks will interchange in XJ/ZJ and visa-versa).

TJ/WJ 4.0L Engine blocks underwent clean sheet design changes effective in the 1999 WJ Grand and 2000 TJ Wrangler. These blocks are not interchangeable with XJ/ZJ engine blocks. The reason is motor mount bolt holes and belt driven accessory mounting bolt holes are in different locations, or not present at all, TJ/WJ vs. XJ/ZJ.