Contents: E-series engines 🠛 F3P engine 🠛
E-series engines
Note: A new gasket will be required during installation.
Removal
1. Remove the two nuts, then the washers, springs, and bushings securing the exhaust pipe to the manifold (see illustration).
16.1. Unscrew the nuts securing the muffler inlet pipe to the manifold. Note the location of the springs and bushings - E-series engine.
Split the connection.
2. Where applicable, loosen the clamp and disconnect the hot air hose connecting the air cleaner to the air heater chamber on the exhaust manifold (see illustration).
16.2 Disconnect the hot air hose from the exhaust manifold housing - E-series engine.
3. Where applicable, unscrew the nuts and remove the air preheater chamber from the manifold (see illustration).
16.3. Remove the air preheater chamber from the manifold - E-series engine.
4. Gradually loosen the nuts and bolts securing the exhaust manifold, then separate it from the cylinder head. Remove the manifold gasket (see illustrations).
16.4a. Unscrew the nuts and bolts (marked with arrows)...
16.4b... remove the exhaust manifold...
16.4 sec....and remove the gasket.
Installation
5. Install in reverse order. Make sure the mating surfaces of the cylinder head and manifold are clean and use a new gasket.
F3P engine
6. The intake and exhaust manifolds are removed together as described in Chapter 15.