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Unread 08-09-2010, 09:00 PM   #1
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1989 YJ Wrangler 
Join Date: Apr 2009
Location: Watatown ct
Posts: 118
yj 4.0 swap Q

hey all.. i have a 89 yj with a 4.2 it recently started getting low oil pressue 13lbs at 600 rpm.. and a slight tick.. i want to swap in a 4.0 outa a cherokee now my main questions are can i swap in a cherokee auto trans with out having to change the transfercase and DS or try to find all YJ stuff and go from there? its got an auto trans now..

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Unread 08-10-2010, 12:27 AM   #2
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1988 YJ Wrangler 
Join Date: Feb 2010
Location: Florida
Posts: 583
Id take the whole motor tranny and case from that cherokee and swap it all in. harness and all.
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