jimoshel

One trick we used to use but I haven't heard about lately is to drop the oil pan. Gain access to the oil gallery, usually by removing one of the block plugs or even the oil pressure sending unit. Get a sealed container like the ones used to bleed brakes with. Fill it with oil, wt not really important. Connect a hose from the container to the oil gallery. Apply 39PSI, more or less, to the container. Look at the bearings and see where the oil is flowing from. A loose bearing, or one looser than the rest, will be a gushin. Tight bearing will just see a light flow. Warning. This can be messy. Prepare accordingly. And it does work. And then there is PlastiGage, and or mikes.Jim

Wish my manuals looked that good. My one for the '89 looks like it was with Custer when he had his little mishap and all the Indians galloped over it getting to him.

Physically they are the same. What is more important is the engine they are meant for. The pressure for the 2.5 and 4.0 is different. 30psi and 40psi.

Brackets were different for years and some combos. What year body? What model transmission and transfer case, I have stuff from '84 to '89.

Good for you. I get a kick out of somebody fixing something. It's a dying art. Jim

Add to "things to check when buying a used car" list.Check pistons for Bondo.

$50, I pay shipping. Jim

A little bit of Bondo to fill the low places in. It'll be OK

Recommendation from owners manual. If you have Command Trac make sure the front axle is disengaged. Put transfer case in neutral. With an auto put shift lever in Park.With selectrac same thing. Just don't have to worry about the front axle. And it emphasises not to use a bumper clamp type tow bar.Messes up the bumper.

I buy junked, wrecked Jeeps. Salvage them. Keep the good ones for myself.

So that's why I didn't win. A very worthy wearer of the crown. :cheers:

Excellent. Just excellent.

Now that looks like a REAL truck. Not some prissy 'pavement queen'

Hush up guy. They'll think of it sooner or later without you mentioning it.

DUH ! :shake:

ABS , Just another way to cover over poor driver skills.

In the last year I've gone thru 15-16 XJ'S. All of them were 4WD. In the same period I've had 7 MJ'S. Only two were 4WD. How come? MJ drivers are better drivers so never get stuck? MJ were only sold in the deep South? Just wondering.Jim Of the 5 2WD MJ'S I converted 2 to 4WD using parts from XJ'S.

This old dog learned a new trick.gasket remover works. Tried it when it first came out 30-40 years ago. It was messy and useless. Never tried it again, 'till now.

We're discussing 2 conditions here which shouldn't be confused with each other. When a engine is first started the oil is cold and thick. It will read high on the guage. As it warms up it thins out, reducing the reading. Depending on conditions the difference can be anywhere from 10-20PSI to 1-2PSI, unreadable on the average guage. The other condition is when the engine has reached it's operating temp. In a perfect motor the the PSI will remain the same from a idle to 5K RPM. Not many motors are perfect. The average engine will show a 2-10PSI swing. A motor with loose clearances can show as much as 20-30PSI change. In order of wear the cam bearings are least, main bearings next and rod bearings showing most. There are exceptions but geeez, be reasonable. The loose bearing gets most of the oil and the tight bearing gets less. Drag race from the stop light, hi revs before shifting, or just plain high milage And bingo, the tight rod goes thru the block, and or pan.

MJOTM?

:agree: Your there. change it. Also to get a 30PSI swing you've got bearing clearance problems. Depends on how you drive whether to worry about it or not. For the time and trouble I'd at least drop and check the rods. And to answer your question stock should be adequate. When you get engines that consistantly exceed 200-250K then it's hard to knock factory components.

I always wondered about that. Gonna try it next time. Thanks fer the tip.

OUI? Joke? I believe there are members in this forum that will testify to my dead honest seriousness.

Anybody here buy a new MJ? Still have it? Know any body that did?

On my next engine overhaul I'm going to weld the pan on. I think it's easier to grind the weld off than try to separate a stuck gasket. :huh???: