Replacing Attachment For Exhaust Manifold (Stud)

Replacing attachment for exhaust manifold (stud)

Preliminary work for replacing studs
1. Remove exhaust manifold.
2. Remove exhaust manifold seal.

Replacing attachment for exhaust manifold (stud)

Note: Only replace studs if they are damaged or their reliability can no longer be assured!











1. Screw two M8 nuts onto the stud and counter with two open-ended wrenches.





2. To unscrew stud, turn rear nut to left.

Note: Before inserting the new stud, the internal thread in the cylinder head must be checked for damage!








3. Screw in new stud hand-tight, then screw two nuts onto the new stud as before and counter.





4. Screw in new stud by turning front nut to right.








5. The stud must be screwed in until dimension -A- is obtained. Check dimension with a caliper gauge.





Subsequent work

Preliminary work for replacing studs
1. Re-install exhaust manifold with new seal.