Whats the rusty bit under the plenum chamber?!

Sep 18, 2003 1 Replies
D

RR '88 3.5 efi



I don't mean the whole car either!!!



After following another thread about a 'valley gasget', I've found what seems to be a rusty 'gasket' under the plenum chamber, is this that gasket? Is this the source of my mysterious water leak???? There is a water pipe & hose clip under there that is also rusty. There is no water as such even if i look closely at full temp etc, maybe its evaporating almost instantly?



After reading the valley gasket thread it seems I may incur more problems by changing that!



Thanks for any info.



Dave



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A

On or around Thu, 18 Sep 2003 12:24:50 +0100, Dave Wheatley enlightened us thusly:

no, the rusty thing and pipes are the bit that feeds water to the heater and also heats the plenum/manifold.

The valley gasket is the bit between the heads after you lift the plenum and all pipes out of the way, it's retained by 2 metal strips with rubber seals and a bolt in the middle of each, one each end of the valley. The gasket is most likely a metal one, but could be composite. When you undo it, you can see the pushrods, tappets and camshaft, and mostly a lot of black scunge.

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