400SE Valve Cover Gasket Replacement?
Discussion
Can anyone please tell me what needs to be removed out of the way to remove the valve covers. I've never done this job on a 400SE and need to replace them as they are seeping slightly. I've tried tightening the screws but still leaks. It looks a little simpler on the drivers side as there seems to be less in the way but I'd like some advice from someone who's done this job before please. Also which gasket I should use. Do I buy the rubber ones with the metal ring inserts or the cork gaskets with no inserts? Many thanks.
Tony. TCB.
Tony. TCB.
I would get the rubber items .. much better.
I think you have to pop the top off the plenum unless you remove part of the water feed into the bottom of the plenum.. which from memory is not really needed on our cars. The last thing we need is a hotter plenum.

Naughty Boy!
I think you have to pop the top off the plenum unless you remove part of the water feed into the bottom of the plenum.. which from memory is not really needed on our cars. The last thing we need is a hotter plenum.

Naughty Boy!
Edited by Big Al. on Thursday 15th June 19:06
Thanks for all your replies gentlemen. I have read every thread and also done a search, so am now confident I have all the information needed to do the job successfully. I shall buy the rubber gaskets with the metal rings and use red hermetite to reseal the plenum. I will also check the condition of the trumpets, clean out the plenum and use a blue silicon hose on the end of the plenum which I already have to match the rest of the piping.
Tony. TCB.
Tony. TCB.
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