Engine issues or vacuum leak? New Jeeper please help!
Senior Member
Joined: Aug 2020
Posts: 614
Likes: 205
From: Prescott, AZ
Year: 1988
Model: Cherokee (XJ)
Engine: 4.0
I have a general use 4 inch that does both vacuum and pressure. I use it regularly. It would be a simple way to stop guess and get some data on this one.
Junior Member
Joined: Apr 2020
Posts: 63
Likes: 17
From: Portland
Year: 1992
Model: Cherokee (XJ)
Engine: 4.0L
My water pump made a whooshing sound when the bearings inside went bad. Also what’s your tire size? If they are 31s or bigger on 3.55 gearing your not going to get much acceleration especially on the freeway.
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