Engine knocking.
Thread Starter
Newbie
Joined: May 2011
Posts: 2
Likes: 0
Model: Cherokee
Engine knocking.
I have a 99 Grand Cherokee and I had a problem with my oil pressure. The gauge would go all the way to zero at idle but went up if I hit the gas. I read that I should try using a heavier weight oil so I did and now the knocking got a lot worse. Any ideas? Thanks.
CF Veteran
Joined: Mar 2009
Posts: 28,068
Likes: 6
From: Tenn. and Mich.
Year: 2004
Model: Grand Cherokee
Engine: 4.7L V8
Welcome to CF.
What engine does it have? The early 4.7L V8's had a problem with knocking, and rocker arms falling off. Check it out on Google/you tube.
What engine does it have? The early 4.7L V8's had a problem with knocking, and rocker arms falling off. Check it out on Google/you tube.
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