Question about 1993 Jeep Grand Cherokee

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O rings for oil filter adapter

I have a 93 grand cherokee, 4.0, the oil filter adapter o ring is leaking. i've went to my local dealer to get the parts and look at a diagram of it, but the pics i saw don't match my unit, can anyone help me find out how to repair this. i can't afford to put it in the shop. thanks

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If I remember correctly that adapter housing has 3 o-rings, 1 big one for the housing and 2 small ones for the bolt that holds the housing on.

Posted on Dec 10, 2008


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SOURCE: o rings for oil filter adapter

it is a t-60 torx bit. u have to use a breaker bar loosen motor mounts and tranny mount .remove pass. side bolt useing a block of wood and a floor jack lift the motor just slightly to get to the bolt. it is a tight fit but it can be done.replace the oring put it all back together goodluck!!!

Posted on Feb 25, 2009

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Oil leak near the oil filter and sending unit.

I am an "x" mechanic and had the same problem with my 94 jeep grand.

This is an adapter block that connects to you engine. The chrysler designer didn't leave enough room to put on an oil filter so the put a 90 deg bracket on to miss the frame.

At the end of this adapter you will see a ,large looking bolt with a star insert. This is called a torx.
I will have to look tonight but my memory is saying it is a 20x torx. The problem is the std torx socket is to long. 2-3" you only have 1-1/2" to get torx and ratchet between frame and adapter. I modified a std torx to be shorter. You insert into a 3/8 ratchet and put a small pipe on ratchet. This give more leverage. This torx bolt is very tight.

It is easer to remove from the bottom of car. Once it is loose you can remove oil filter first before doing or just leave oilf filter on the bracket. be shore to dump out oil before remounting bracket. There are two o'rings between engine and bracket. From the heat crack making the oil filter look like it is leaking. My engine starter was always wet with oil. After I replaced the o'rings it has never leaked again. I also saw oil leaking from my oil switch. I replaced it also. The chrysler dealer had the o'rings apprx $3.00. 1 large and one small for bolt I bought the oil sensor from Salvo's $15.00

Or you need to take to dealer.

Yes you are not crazy!. It is really leaking there.

Wm. Michael L

Mar 11, 2009 | 1994 Jeep Grand Cherokee

2 Answers

Oil leak from oil filter

There is an "O" ring between the Oil filter housing and the adapter that will leak as well. Remove the oil filter and check inside of the housing for a large nut. Remove the nut and separate the adapter from the housing. Check the "o" ring between them and replace with new "o" ring. That's where mine is leaking and I've read a couple of others that had the same problem. The old ring started out "round" and has, over time, become flat. The new ring should start out with a flatter cross section that will seal better. Good luck! (Easy Fix, but finding the "o" ring may be a challenge. Check for the ring at the Honda Dealer as the Passport is the same basic vehicle.) Do it during the next oil change........

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O rings for oil filter adapter

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