oil leak
#1
oil leak
hey guys i have a oil leak just below the vlave cover at the bottom of the top timing cover, i thought it was the valve cover gasket but i replaced it but know i can see where it's coming from excatly, could it be where the head is sitting on the block, can i torque down the cylinder head bolts in this area and c if it stops.
#2
RE: oil leak
Don't mess w/ the cylinder head bolts (perhaps you meant valve cover?). If you meant valve cover, they can easily be overtorqued. Leak could be the camshaft seal allowing oil to get into the timing belt area. I think it unlikely the oil leak is from the cylinder head, but tightening cylinder head bolts can cause all sorts of problems and is unlikely to stop a leak, even if the head gasket is the source of the leak.
Did you seal the 90-deg corners either side of the camshaft bearing housing w/ sealant as recommended? I've never had a leak there, but apparently there is a problem w/ sealing those corners if no sealant is applied.
good luck
Did you seal the 90-deg corners either side of the camshaft bearing housing w/ sealant as recommended? I've never had a leak there, but apparently there is a problem w/ sealing those corners if no sealant is applied.
good luck
#3
RE: oil leak
no its not coming from the coners, i think its coming from where the head sits on the block, or maybe just a small crack in the head, is there any type of selant i can apply to fix this external leak? or maybe use a tig welder?
#4
RE: oil leak
I seem to remember a TSB about leaks in the engine block on the front side behind the exhaust manifold. Check TSB listing for help.
I'm not aware of any way to seal a leaking/cracked cylinder head. I would suggest cleaning throughly and attempting to track to the source to be sure it's coming from under the head or directly from the head. If it is, the cylinder head and leak is too large to live with, you'll have to remove the head, have head inspected for cracks or replace head, and re-install head. A used head is inexpensive (check car-part.com for parts near you). Cylinder head job isw/i capability of a experienced diy'r.
good luck
I'm not aware of any way to seal a leaking/cracked cylinder head. I would suggest cleaning throughly and attempting to track to the source to be sure it's coming from under the head or directly from the head. If it is, the cylinder head and leak is too large to live with, you'll have to remove the head, have head inspected for cracks or replace head, and re-install head. A used head is inexpensive (check car-part.com for parts near you). Cylinder head job isw/i capability of a experienced diy'r.
good luck
#5
RE: oil leak
it's close to the end of the exhaust manifold not behind it. the leak is not big at all it only leaks if i increase the rpm. does the head goes below the exhaust manifold, if so then it cant be leaking from the headgasket becuase its leaking just above the exhaust manifold.
#7
RE: oil leak
The headgasket is below the exhaust manifold, so that isn't it.
How about the first camshaft bearing cap? There's a leak path underneath the cap, where it's bolted to the head. That's supposed to have sealant. Then a little bit of sealant right on the sharp corners of the valvecover gasket where it goes over that cam cap.
How about the first camshaft bearing cap? There's a leak path underneath the cap, where it's bolted to the head. That's supposed to have sealant. Then a little bit of sealant right on the sharp corners of the valvecover gasket where it goes over that cam cap.
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09-28-2007 02:05 PM