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Registered
Join Date: Aug 2002
Location: Boston
Posts: 390
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#3 cylinder Exhaust leak 3.0SC
Bringing back an old '82 from long, long term storage and now have the motor running. Slowly working through some vacuum leaks etc.
A ticking noise turned me on to an exhaust leak at the gasket of the factory thin flange heat exchanger and the cylinder head. Confirmed with a smoke test pressurizing things from the muffler exit, the escaping smoke makes it pretty obvious that the gasket has failed. #3 cylinder (Driver side, toward front of car) in case it matters. Given I'm not terribly inclined to mess with rusty exhaust fasteners, I'm trying to touch as little as possible. Do I need to drop the entire drivers side exhaust (i.e. 6 exhaust nuts from the studs threaded into the head) then go back and replace things with 3 new cylinder to heat exchanger gaskets? Is there any way to just replace the single failed gasket somehow? I'm not seeing how, but I would be pleasantly surprised if yes. |
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PCA Member since 1988
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No. The heads have studs, so you have to drop at least that side heat exchanger far enough to clear the studs.
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