PIC link: Header Sealing Washer Suggestions?
human747 at attbi.com
Mon Dec 16 14:21:37 EST 2002
> >OK, here is the picture. Depending on the type of monitor (good or bad) you
> >can see the gap pointed by the arrow. It happens in almost all the flanges.
> I uploaded at: http://pictureposter.audiworld.com/2004/em.jpg
> >Also, I used 2 different torque wrenches to confirm the 22 ft/lbs.
> >If the washer doesn't have any sealing function, then I might be OK(but why
> >does it have the rubber/coil stuff?).
mostly as previously stated by others prior to picture...
1. the washer under the exhaust stud nut has no sealing function, the
seal is created between the manifold (header) and the head by the
2. there should not be any rubber in those washers, it simply going to
burn in about 5 minutes of use.
Here are some pictures of a stock 4kq manifold being bolted to a head:
you should be able to see the stock flat (as I recall) metal washers
under the factory nuts. I can't remember whether it is the nut, the
washer, or simply the appropriate torque that has a locking function to
keep them in place, but I bet Javad can remember in his sleep...
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