Exhaust leak?

[Ludakris]

hey guys. I fired up my 89' last night for the first time since buying it. It needed a tranny line, a belt, and a new alt pulley. I have the 4.0l and it sounds good, has a stumble but I figure a tune up will cure that. My question is about an exhaust leak. there was a light smoke coming up from the intake area. I am thinking its an exhaust leak from the manifold, is this the symptoms of a cracked manifold? like i said it sounded fine, no ticking or anything like normally associated with an exhaust leak. Anyone else have this problem?

[BIGSLVRXJ]

If youre manifold is cracked like a lot of older 4.0s are it should be loud. My Jeep has run with a cracked manifold for 5 years and I've never seen white smoke but I suppose if there is actually a hole in yours that could happen. Those are my thoughts.
Collin

[lankchevy]

have u touched the manifold when ur hands were greasy since the last time u started it? maybe its just some oil getting burnt off of it?

kolby

[Ludakris]

i havent touched the manifold, but i have considered there is something burning off, i think i have to get it out of the garage and let it warm up to see whats happening.

[tchase]

We have two different jeeps with cracked manifolds (I thought all 4.0's had cracked manifolds LOL), I've never noticed any smoke from either and the noise is quite noticeable.