Operation CHARM: Car repair manuals for everyone.

Remove and Install Upper Timing Case Cover

REMOVING AND INSTALLING/SEALING UPPER TIMING CASE COVER
- Remove cylinder head cover.

Installation Note:
Torque Cylinder Head Cover to:
6 mm 10 Nm (7 ft lb).
7 mm 15 Nm (11 ft lb).

- Drain coolant partially.

Installation Note: Bleed cooling system 17 00 039.






- Unscrew cover (1) on thermostat housing.






Installation Note: Replace gasket (2) and seal (3).

NOTE: Clamp on thermostat faces out.
From model '86 on: new Thermostat, with gasket on cover.






For DME with Inserted Distributor Arm:
- Take off distributor cap (4).
- Pull off distributor arm (5) and remove cover (6).

Installation Note: Check rubber ring (7).






For DME with Screwed Distributor Arm:
- Take off distributor cap (4).
- Unscrew distributor arm (5).
- Unscrew adapter (6) and remove cover (7).

Installation Note:
- Check rubber ring (8).
- Place seal on screw (6) and install screw with a bolt cement.
Tightening torque = 2.8 ± 0.2 Nm (2 ft lb).







- Unscrew timing case cover.

Installation Note:
- Tighten screws (4 and 5) finger tight.
- Now tighten screws (6... 11) (8 and 9 are longer)
- If applicable, replace damaged cylinder head gasket, Cylinder Head Gasket, Replace.
- Check that radial oil seal fits correctly on the distributor rotor adapter (12).






Important: Coat bores with a brush-on universal sealing compound/Three Bond Silicone 1207 prior to installation of the timing case cover.