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Timing Chain Cover Seal

coptertom

Well-known member
Joined
Oct 19, 2005
Messages
84
Location
Sunny South Florida
Corvette
1972 and 2014 C7
Hey Guys,

Need a little bit of help.............I removed the timing chain cover in order to change the seal. I am having a hard time putting the cover back on. I am having a problem replacing the cover. There is a lower lip on the timing chain cover which houses a seal. After putting in the lower seal on the timing chain cover I am having a hard time getting the seal over the top of the oil pan so that the timing chain is flush, which in turn means that I am not able to bolt the cover on..................I hope I am making sense!

Question is, do I have to remove the oil pan in order replace the timing chain cover? The manual does not mention anything about removing the oil pan in order to replace the cover. It say's to cut out the old seal and to but a bead of silicone sealant there.

Am I missing something here? Help!

Thanks,:bash
 
Hey Guys,

Need a little bit of help.............I removed the timing chain cover in order to change the seal. I am having a hard time putting the cover back on. I am having a problem replacing the cover. There is a lower lip on the timing chain cover which houses a seal. After putting in the lower seal on the timing chain cover I am having a hard time getting the seal over the top of the oil pan so that the timing chain is flush, which in turn means that I am not able to bolt the cover on..................I hope I am making sense!

Question is, do I have to remove the oil pan in order replace the timing chain cover? The manual does not mention anything about removing the oil pan in order to replace the cover. It say's to cut out the old seal and to but a bead of silicone sealant there.

Am I missing something here? Help!

Thanks,:bash

The oil pan is supposed to be loosened-up near the timing cover end, but the drawback with this is the ruining of the oil pan gaskets.

One trick available is to snip the end corners of the bottom seal metal flange (the one that holds the bottom seal), so that you can re-insert the timing cover. Once snipped-off the pointy flange ends, then use minimal RTV to seal in between the bottom seal ends and the oil pan.

I did it on my old motor and it worked, but I can't find the image I used to have to show you...
 
I have two suggestions.

Change the timing chain to a true roller while you have it apart. (Stock ones are crap)

Drop the oil pan, and install a Fel-pro 1 piece gasket.

You won't regret doing either.;)
 
Tom,

When you apply the RTV, be sure to thoroughly cover the areas that need to be sealed and then let it sit for about 4-5 hours BEFORE tightening the cover fastener bolts. Otherwise if you tighten the bolts while the sealant is still wet, you can end up squeezing it all out before the selant can do any good.

Ralph
 

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