I have an exhaust leak where my manifolds meet my 2 into 1 Y pipe. Is there a doughnut type gasket that goes in there or do I need to loosen and re-torque?

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1976 280C
SLOWER DRIVERS KEEP TO THE RIGHT.
DRIVE RIGHT PASS LEFT

My exhaust pipes coming out after they meet the manifolds look like these except they "Y" into one pipe all the way back.
I do not see any gaskets or doughnuts that go in the junction of the pipes. If I have a leak, I guess it needs torqueing <--------is that a word?

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1976 280C
SLOWER DRIVERS KEEP TO THE RIGHT.
DRIVE RIGHT PASS LEFT

Mother Benz used various constructions of the manifold to pipe joint, although all of them are spherical. Some have a male sphere on the manifold, some a male sphere on the pipe, and some female spheres on both the manifold and pipe, with a double male "doughnut" between them.
If the spherical portion of the pipe, whether male or female, is not rusted away, cleaning of the joint, and re-seating of the spheres will usually eliminate leaks.

And I'll add to Frank's reply by saying a thick smearing of an anti-seize compound such as Never-Seez will aid in both the sealing and future removal/re-positioning.


http://bostik-industrial.com/never-seez-anti-seize-compounds/

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“Whatever story you're telling, it will be more interesting if, at the end you add, "and then everything burst into flames.”
― Brian P. Cleary, You Oughta Know By Now

Thank you very much Mike D and Frank Reiner. I will tackle that this coming weekend.

Thanks a lot guys.

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1976 280C
SLOWER DRIVERS KEEP TO THE RIGHT.
DRIVE RIGHT PASS LEFT