Engine M 123
Removing the manifold gasket (M 123 engine)
1. Drain the fluid from the cooling system.
2. Remove the air cleaner.
3. Disconnect the throttle controls.
4. Check (mark) location of all wires and hoses.
5. Disconnect the cooling system hoses and vacuum hoses; disconnect the wires from the carburetor.
6. Turn away bolts of fastening of a returnable pipe of a heater.
7. Turn away nuts of flanges of an exhaust pipe and, tapping, release flanges.
8. Mark the position of the brackets on the manifolds.
9. Disconnect the control mechanisms for the heating regulator on the exhaust manifold.
10. Turn away nuts and remove inlet and final collectors from a head of cylinders. Remove the pads.
11. Remove the carburetor.
12. Turn away bolts of a casing of a final collector.
13. Installation is made in sequence, return to removal. Install new gaskets and finally adjust the idle speed.
Engine M 110
Inlet pipeline
1. Remove the carburetor or throttle body.
2. Drain the liquid from the cooling system.
3. Disconnect the throttle control rods.
4. Mark the position of all wires and hoses and disconnect them.
5. Turn away adjusting nuts and bolts and remove an inlet collector from a head of cylinders. Remove the gasket. On some models, it may be necessary to remove the engine mount and vibration damper, and hang the engine before removing the manifold.
6. Installation is made in sequence, return to removal. Fill the cooling system and finally adjust the idle speed of the engine.
An exhaust manifold
Details of the exhaust system of the M 110 engine
1. Turn away nuts of flanges of final pipes and separate the last from final collectors. Remove the pads.
2. Mark position of arms, turn away nuts and remove collectors from a head of cylinders. Remove the pads.
3. Installation is made in sequence, return to removal. Be sure to install new gaskets so that the convex flange faces the manifold.