Exhaust Manifold: Service and Repair

Shown On Engine 111.940, Others Similar:

Replacement
Refer to the illustrations when servicing, noting the following:
- Replace rivet nuts in exhaust manifold, if necessary as follows.





a. Use a suitable bolt (arrow) to knock rivet nuts out of the holes in the exhaust manifold.

NOTE: Screw bolt in by hand only.





b. Insert new rivet nut into hole of the exhaust manifold.

Caulking Bolt:

c. Screw in caulking bolt and tighten to about 30 Nm.





- When installing gaskets:
Apply dots of sealing compound to facilitate installation.
Insert gaskets with metal side facing toward cylinder head.

NOTE: As of 1.1.94 the exhaust manifold has been modified. In order to reach the operating temperature more quickly, an exhaust manifold in a double-wall design (insulated by an air gap) is installed.