I just finished a huge job of pulling the motor. I re-placing the bed plate gasket, HGs and installed ARP studs. I can't get the Y-pipe on each side of the motor to seal against the exhaust manifolds. I don't have any other exhaust leaks. Does anyone have some ideas on how do get the y-pipe to seal. Thanks!
I had the same problem after taking my exhaust manifold off to drill it for and EGT probe. I tried 4 different times to get it mated up, Ypipe first turbo last, turbo loose, manifold loose y pipe next, it did not matter how I did it. Eventually I over tightened the bolts to the point of bending the clamp on the y pipe, after that I really became frustrated. I replaced the y pipe because of the bent clamp. I still had a leak. The only thing I could figure was the exhaust manifold was out of round and I was too cheap to buy one. So finally I went down to the local muffler shop and gave them the inside diameter of the exhaust manifold and the outside diameter of the flare on the up pipe. I told him I wanted a metal crush gasket about 1/8 inch thick a hair bigger than the inside diameter of the manifold. He looked it up gave me a part number and sent me to Carquest to pick it up.
10,000 miles still no leaks. I actually just checked it again about 2 weeks ago. It may not be the recommended way but it is working great.
Sorry I cannot find the part number for the gasket or I would give it to you.
I pulled the turbo on an '03 6.0 to get down to the oil cooler now I have an exhaust leak at the intake side. Any suggestions? I cleaned the scale off of the turbo face and the face of the "y" pipe feels smooth. The mating joint looks tight and I've replaced the clamp.
I would definitely buy this gasket when you have to remove the up pipe. Even if you don't use it, it's still worth the extra 2 bucks worth of insurance before you start the job. Do yourself a favor and include this in your parts list for the job.
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