Is this bad?

[new2fsjeeps]

I was siffting through the back of my cherokee today and found a metal pan. I called the I guy bought it from and was told that it was under the manifold in the lifter valley. He just did not put it back on when he got the new heads installed. I have only driven it twice since I bought it(project rarely drive), can this hurt the engine? I am purchacing a new intake and carb so ill be able to reinstall it if nessesary. Could it do any harm that might need repairs? Thanks!

[BIG BAD JON]

Thats your valley pan.

[oddfire]

Some guys run without the valley pan with no ill effects. in fact there is a popular mod in which you drill and tap a line in the block from the front to the back to provide faster oiling to the rear bearings, that doesnt' allow room for the valley pan. If you have the intake off see if it fits. do a search under "valley pan" seems like we were talking about this a while ago......phil

[JJK4666]

No harm really, might suck some oil through the pcv valve though. That pan prevents that and keeps heat away from your carb. Do put it back on when you change the manifold though. If you go edelbrock I think they even provide fasteners.

[oddfire]

I think hes talking about the tin valley pan, not the deflector on the bottom of the intake manifold, am I wrong?....phil

[JJK4666]

The valley pan is the only thing that serves as a gasket for the intake, so if that was off he would be putting water into his cylinders. I think he meant the one attached to the mani.

[oddfire]

well if thats the case there are a bunch of guys putting water into their cylinders. Check the search........phil

[BIG BAD JON]

Originally posted by JJK4666:
The valley pan is the only thing that serves as a gasket for the intake, so if that was off he would be putting water into his cylinders. I think he meant the one attached to the mani.When you buy a new valley pan, gaskets come with it. You can buy the gaskets seperate and run without the valley pan. Its just there as a fail-safe.

I dont have a valley pan come to think of it. :cool:

[ February 10, 2003, 10:51 PM: Message edited by: BIG BAD JON ]

[new2fsjeeps]

sounds like the general consences is it wont be to bad. I was just wondering if it would do detramental harm to the intake, lifters or other wise. Thanks for the help guys, I learn new things everyday here!

[BIG BAD JON]

Originally posted by new2fsjeeps:
sounds like the general consences is it wont be to bad. I was just wondering if it would do detramental harm to the intake, lifters or other wise. Thanks for the help guys, I learn new things everyday here!Ive been here for over a year and I STILL learn something new every day!

[porchpiggy]

New2 - If it is big like the size of an intake manifold it is the valley pan, if it is smaller , like half the size of a computer keyboard and has louvers in it it is the pcv shield. It sounds to me like the valley pan, and the PO seperated it from the intake gaskets on the side, when he installed the intake manifold gasket. When you install an intake manifold there are two types of gaskets, one piece with a vally pan, and two piece with no valley pan between them (I'm not counting the two end rubber strips). The valley pan keeps oil from splashing up on the bottom of the intake manifold, heating the carb and fuel mixture, and will help some to keep oil from spitting up the oil fill tube. Some like the valley pan, some don't.

The shield for the pcv is to keep oil from shooting up into the pcv valve and line, and I think everyone will agree that you should not run without one. If you swap to a differsnt manifold you will have to remove the shield and re attach it to the new manifold with these little rivet things.