Contents: M111 ↡ M112/113 ↡
111 Series Engine Intake Manifold Installation Details
19 - Inlet manifold; 19/1 - Mounting bolt; 19/2 - Fastening nut; 19/3 - Sealing gaskets; 32/4 - Connecting rod; 32/13 - Bolt
M111
1. The installation details of the 111 series engine intake manifold are shown in the illustration to which all references in the text refer.
2. Disconnect the negative cable from the battery.
3. Remove the air cleaner bypass pipe.
4. Disconnect the vacuum and electrical lines.
5. Remove the fuel line assembly with the injectors (see Chapter Removal and installation of fuel distribution line and injectors).
6. Release the engine wiring from the intermediate fasteners on the intake manifold.
7. Disconnect the wiring from the crankshaft position (CKP) and knock sensors (KS).
8. Disconnect circuit 50 from the starter.
9. Remove the Idle Speed Stabilization System (ISC) actuator.
10. Disconnect the throttle cable from the intake manifold.
11. Loosen the mounting bolts (19/1) and nuts (19/2) and remove the intake manifold assembly (19).
12. Installation is carried out in reverse order.
13. Finally, check that the idle speed is set correctly and that the throttle actuator is functioning properly.
M112/113
Installation details of the intake manifold of the 112 and 113 series engines
Arrow - Hole for installation of combination valve
1. The installation details of the intake manifold for the 112 and 113 series engines are shown in the illustration to which all references in the text refer.
2. On models equipped with Electronic Ignition Switch (EIS), remove the key from the ignition switch.
3. Remove the cylinder head cover trim/air cleaner.
4. Remove the intake air duct hose assembly with the mass air flow (MAF) sensor.
5. Disconnect the supply line (17/2) from the fuel distributor.
6. Remove the fuel line assembly with the injectors (see Chapter Removal and installation of fuel distribution line and injectors).
7. Remove the bolts (2/1) securing the cylinder head cover.
8. Disconnect the vacuum lines from the inlet manifold (19).
9. Disconnect the electrical connectors.
10. Loosen the union nut and disconnect the line (89/2) from the exhaust gas recirculation (EGR) valve (89).
11. Unscrew the bolt (19/1) and remove the combination valve assembly (6).
12. Remove the inlet manifold (19).
13. Installation is carried out in reverse order.