Left Timing Chain Cover

Left Timing Chain Cover

Special tools, testers and auxiliary items required

• Hand drill with plastic brush attachment

• Protective goggles

• Sealant, refer to the Electronic Parts Catalog (ETKA)

Removing






- Remove the upper left coolant pipe. Refer to => [ Upper Left Coolant Pipe ] Upper Left Coolant Pipe.

- Remove the rear coolant pipe. Refer to => [ Rear Coolant Pipe ] Rear Coolant Pipe.

- Remove the vacuum hose - 2 - (if equipped) from the Secondary Air Injection (AIR) combination valve.

- Remove the secondary air hose - 3 - by pressing the release buttons.

- Remove the bolts - 1 - and remove the AIR combi-valve.

• Ignore - 4 -.

- Loosen and remove the bolts in the following sequence: - 8 through 1 - and then remove the bracket - arrow A - for the heated oxygen sensor connectors.






- Push the wiring harness bracket - arrow B - to the side and carefully remove the left timing chain guard.

Installing

• Tightening specification, refer to => [ Left Timing Chain Cover, Tightening Specifications and Sequence ] Timing Chain Covers Overview.

• Replace the O-rings.

- Remove the old sealant form the grooves in the timing chain cover as well as from the sealing surfaces.


Risk of contaminating lubricating system.

• Cover open parts of engine.









Danger of eye injury.

• Wear protective goggles.

- Remove the remaining sealant on the left timing chain and cylinder head covers, for example with a rotating plastic brush.

- Clean sealing surfaces, must be free of oil and grease.

• Note the expiration date of the sealing compound.

- Cut the tube nozzle at the front marking (nozzle diameter approximately 2 mm).






- Drive the left coolant intermediate pipe - 2 - out of the left timing chain cover with a drift.






- Insert O-rings - 1 - on the coolant intermediate pipe - 2 -.

- Insert the coolant intermediate pipe into the left timing chain cover.


The lubrication system could be plugged with excess sealant.

• Do not apply sealant bead thicker than indicated.

- Apply a sealant bead - arrow - to the clean sealing surfaces of the left timing chain cover as shown in the illustration.

• Thickness of sealant bead: 2.5 mm.

• The timing chain cover must be installed within 5 minutes after applying the sealant

- Install the left timing chain cover with both brackets - arrows A and B - and tighten the bolts. Refer to => [ Left Timing Chain Cover, Tightening Specifications and Sequence ] Timing Chain Covers Overview.






Install in reverse order of removal paying attention to the following:

- Install the left AIR combination valve. Refer to => [ Left Secondary Air Injection (AIR) Combination Valve ] Left Secondary Air Injection (AIR) Combination Valve.

- Install the rear coolant pipes. Refer to => [ Rear Coolant Pipe ] Rear Coolant Pipe.

- Installing the upper left coolant pipe. Refer to => [ Upper Left Coolant Pipe ] Upper Left Coolant Pipe.