Valve cover gasket sealant - BMW Luxury Touring Community
 
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post #1 of 5 Old Sep 12th, 2008, 12:48 pm Thread Starter
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Valve cover gasket sealant

I'm confused on where the sealant goes on the valve cover gasket. Does it go at all 8 corner curves? Does it only go on the surface of the engine next to the timing chain cover? Does it go on both sides of the gasket? Help.
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post #2 of 5 Old Sep 12th, 2008, 1:11 pm
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Re: Valve cover gasket sealant

Quote:
Originally Posted by DaveDragon
I put a dab of sealent in the corners where the gasket is held in place.
Yup, just at the corners of the half-moons - the corners that you can apply RTV to, if the gasket is laying flat.

Toward the front of the block, the vertical machined surface of the timing cover should get a thin film of RTV up and down the surface, and around the corner and just across the mating joint of the timing cover and engine block.
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post #3 of 5 Old Sep 12th, 2008, 2:43 pm Thread Starter
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Re: Valve cover gasket sealant

Quote:
Originally Posted by Dick
Yup, just at the corners of the half-moons - the corners that you can apply RTV to, if the gasket is laying flat.

Toward the front of the block, the vertical machined surface of the timing cover should get a thin film of RTV up and down the surface, and around the corner and just across the mating joint of the timing cover and engine block.
I count eight half moons on the gasket. Then there are two holes. Do I put the sealant on both sides of the gasket in the half moon areas plus the front surface of the block next to the timing cover? Thanks.
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post #4 of 5 Old Sep 12th, 2008, 6:39 pm
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Re: Valve cover gasket sealant

Quote:
Originally Posted by BEhrler
I count eight half moons on the gasket. Then there are two holes. Do I put the sealant on both sides of the gasket in the half moon areas plus the front surface of the block next to the timing cover? Thanks.
Butch - if you lay the gasket flat on a level surface, you should have two half moons rising vertically at each end of the gasket. You put the RTV at each half moon, in the 'inside corner' joint where the half moon material starts up and over from the flat gasket. That would be at eight (8) joints. You only need sealant at those joints - not on the arc-over part of the half moon. You don't put sealant on both sides of the gasket.

I put a thin film of RTV on the timing case cover surface 'before' I install the gasket - I just make sure the RTV film crosses over the joint between the cover and the engine block. I don't go much beyond that joint onto the block surface. Then I install the gasket.
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post #5 of 5 Old Sep 12th, 2008, 7:07 pm Thread Starter
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Re: Valve cover gasket sealant

Quote:
Originally Posted by Dick
Butch - if you lay the gasket flat on a level surface, you should have two half moons rising vertically at each end of the gasket. You put the RTV at each half moon, in the 'inside corner' joint where the half moon material starts up and over from the flat gasket. That would be at eight (8) joints. You only need sealant at those joints - not on the arc-over part of the half moon. You don't put sealant on both sides of the gasket.

I put a thin film of RTV on the timing case cover surface 'before' I install the gasket - I just make sure the RTV film crosses over the joint between the cover and the engine block. I don't go much beyond that joint onto the block surface. Then I install the gasket.
Dick
OMG. Now it's clear as a bell. Duh. I'm usually not this dense but this time I sure was. Thanks so much for the help. Now I can finish the job.
Butch
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