Question about 1994 Jeep Grand Cherokee

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Oil leak near the oil filter and sending unit.

I have a 1994 Jeep Grand Cherokee with the 4.0L inline 6. What is the thing called that the oil filter screws to and is there a gasket or an o-ring that is there? If so how does it come apart there are no bolts. Any info would be greatly appreciated.

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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

Posted on Mar 13, 2009

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I just want to say from experience that it is not a part of the block, the name of that part is the Oil Filter Adapter, and it requires a T60 Male Torx bit. The female connection, or where it comes loose is just to the right of the oil filter, the big round flat part should have a hole right in the center of it, it is difficult to get on but you can get a wrench on the torx bit and I just used a pipe slid down over the wrench to break mine loose. Also when you are torquing on it remember that it is at an angle so you wont torque straight and strip it.

Posted on May 29, 2009

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The part that u refer to is part of the block assembly and not removable. The replacement oil filter should have an o-ring around it to stop leaks.
If it is still leaking it may be leaking from the valve cover above and running down. Good luck. Dont forget to rate.

Posted on Mar 11, 2009

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Sledge1863 is completely WRONG.

That is NOT part of the block. First poster has it completely right.

Posted on May 21, 2009

  • burntkat Feb 26, 2011

    Additionally, realize the factory puts this part on with loctite RED formula- it's there "permanently". My mechanic charged me $50 to break loose that bolt. WELL worth the money. He only charged me $75 to do the whole job, and had it done in an hour. I'd struggled with it for an entire weekend (and I'm not an amateur, by any means!)

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