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sempaipaul sempaipaul is offline
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Location: Gaithersburg, MD
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Quote:
Originally Posted by KTL View Post
You don't rebuild the other because it is not a regulator (with internal moving parts) like the part you are replacing. The other piston is a pressure bypass fitting that only operates with overpressure. So basically the other piston is just a hunk of plastic that is put into action when pressure overcomes the spring resistance. I'll take a picture of the overpressure piston when I get home.

By the way, if you're rebuilding t-stats? You may want to look at rebuilding the t-stat in the engine. It uses the same regulator. Check out this useful post from burgermeister Frank.

http://forums.pelicanparts.com/911-engine-rebuilding-forum/689055-internal-oil-thermostat-repair.html
KTL - Thanks for your response. Not rebuilding the engine T-stat as not taking engine out just yet. I'll be doing a full overhaul on that starting in the fall. I am trying to get everything else sorted before I pop out the engine for now.

Ok so I don't need to get (the bottom one):
Pelican Parts - Product Information: 930-107-076-00-OEM
as I assume that never goes bad;

but I should get (the side one):
Pelican Parts - Product Information: 930-107-155-00-M322

and the seal for it:

Pelican Parts - Product Information: 900-123-136-30-OEM

So I shouldn't disassemble the bottom one to clean either? or should I still disassemble it and put a new seal on it?

Thanks again!
Paul
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Old 01-21-2014, 09:13 AM
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