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Unread 12-05-2012, 06:41 PM   #1
Rican142
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is something missing?

Is there supposes to be somethint between the plate in front of the bellhouseing and the bellhousing itself? When I get done driving it smells of gear oil and there's oil dripping from the bottom of the truck. Just wondering if that's normal

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Unread 12-06-2012, 08:58 AM   #2
97_4popper
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Nope.
You sure it's gear oil and not motor oil?

Could be motor oil from the rear main. That is common with these. I replaced most of the gaskets on mine last year. Rear main included.
No more leaky.

Good Luck.
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Unread 12-07-2012, 05:02 AM   #3
cruiser54
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Correct. No seal there. But read this first before tackling the rear main:




I'd be looking up ABOVE first, and VERIFYING the source of the oil leak YOURSELF.

Everybody, who doesn't own or have to pay for or perform your vehicle repairs, loves to poke their noggin UNDER the Jeep and come out bearing the false bad news that your RMS is leaking.

Many mechanics, friends, and good old Uncle Bob seem to enjoy telling you it’s the rear main seal. Has a catastrophic ring to it, doesn’t it?

A simple leak at the back of the valve cover or other source could produce the same symptoms. You don’t need to be a mechanic to figure this out. If you have good eyesight and a dim flashlight, you’re good to go on your own. Don't jump on the RMS/oil pan gasket bandwagon right off the bat.

Almost any oil leak on your 4.0 is gonna drip from the RMS area for two simple reasons.

First off, the engine sits nose-up and any oil will run back to the RMS area. Secondly, the RMS area is also the lowest point on the engine. Simple physics and the old plumber's adage apply here. "***** flows downhill".

Valve cover gasket, oil pressure sending unit, oil filter adapter seals and distributor gasket, in that order, have to be eliminated as possibilities first.

Revised 9-15-2012
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Unread 12-07-2012, 07:10 AM   #4
97_4popper
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I actually replaced all of the above while I had the old mule apart.
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90 MJ 4.0 4X4 5sp LB Pioneer Big Ton.
Truck contains parts from 3 MJs, 2 XJs, 1 TJ and a dishwasher.
http://img.photobucket.com/albums/v1...IMG_0101-2.jpg
Check out comancheclub.com...
My build thread: http://comancheclub.com/forums/viewt...hp?f=7&t=27756
Wifes: 97 TJ 2.5 4X4 5sp 31's stock. . . Slow but; reliable.
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Unread 12-08-2012, 09:05 PM   #5
Rican142
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Well it sure as heck smells like gear oil. Could it be a leak from the tranny? My dad also said it was the rms
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Unread 12-08-2012, 10:05 PM   #6
Rican142
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And also, i checked my oil and i was completley out
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Unread 12-09-2012, 05:04 AM   #7
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Quote:
Originally Posted by Rican142 View Post
And also, i checked my oil and i was completley out
6 quarts of oil leaking has to make a heck of a mess.
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If you own a Renix Jeep, you'll want to check this out. >

An index to over 25 write-ups can be found in Post #1.

Cruiser's Mostly Renix Tips
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Unread 12-09-2012, 07:33 AM   #8
Rican142
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Yes it would, but it was a slow leak.
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Unread 12-09-2012, 07:41 AM   #9
cruiser54
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Then my queston is:
If it was a SLOW leak, how come you ran out of oil? Never check it?
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If you own a Renix Jeep, you'll want to check this out. >

An index to over 25 write-ups can be found in Post #1.

Cruiser's Mostly Renix Tips
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Unread 12-09-2012, 04:51 PM   #10
Rican142
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No its been a few months that ice had it on the road, and my oil gauge must be broken or some thing cause its aaaaaall the way to the right
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Unread 12-09-2012, 05:44 PM   #11
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You're not getting of that easy. Checking your oil using the dipstick has nothing to do with what your oil pressure gauge is reading or road conditions. Oil gauge is only indicative of pressure, not level.
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If you own a Renix Jeep, you'll want to check this out. >

An index to over 25 write-ups can be found in Post #1.

Cruiser's Mostly Renix Tips
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Unread 12-09-2012, 07:02 PM   #12
Rican142
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:O.. R U SERIOUS?! I thought that it was showing the oil level!
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Unread 12-09-2012, 07:03 PM   #13
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:O.. R U SERIOUS?! I thought that it was showing the oil level!
I'm serious as a heart attack. You ?
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Quote:
Originally Posted by chris87xj View Post
If you own a Renix Jeep, you'll want to check this out. >

An index to over 25 write-ups can be found in Post #1.

Cruiser's Mostly Renix Tips
Refresh*Connections*Before*Replacing*Components
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Unread 12-09-2012, 10:14 PM   #14
Rican142
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Wow..so what does it mean if my oil pressure is that high?
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Unread 12-09-2012, 10:14 PM   #15
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And What kind of damage can it do
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