Right Timing Chain Cover
Right Timing Chain Cover
Special tools, testers and auxiliary items required
• Jointed Socket, 12 mm (T40220) for engines through engine serial number CAU 005 521
• Hand drill with plastic brush attachment
• Protective goggles
• Sealant, refer to the Electronic Parts Catalog (ETKA)
Removing
- Drain the coolant. Refer to => [ Coolant, Draining and Filling ] Service and Repair.
- Remove the right front muffler. Refer to => [ Front Muffler ] Front Muffler.
- Remove the strut tower brace.
- Remove the plenum chamber bulkhead.
- Remove the Heated Oxygen Sensor (HO2S) (G39) - 1 -.
- Disconnect the connector from the bracket:
2 For Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130)
• Ignore - 3 and 4 -.
• The installation location is shown with the engine removed.
- Remove the nuts - arrows - using (T40220).
- Remove the bolt - 1 -, remove the right catalytic converter and lay it to the side.
• The installation location is shown with the engine removed.
- Free up the fuel line and the line to the Evaporative Emission (EVAP) canister on the air guide pipe.
- Disconnect the connector - 1 - from the Mass Airflow (MAF) sensor (G70).
- Disconnect the vacuum line - 3 - from the air guide pipe.
Risk of violating emissions legislation.
• Do not open hose connection - 2 -!
- Lay aside air guide pipe with connected crankcase ventilation hose - 2 - by loosening hose clamp - 4 - and opening clips - arrows -.
- Disconnect the vacuum line - 1 -.
- Remove the air filter housing and disconnect the electrical connector - 2 - on the rear side at the intake air switch-over valve (N335).
- Remove hose - 3 - from the secondary air system.
- Disconnect the coolant hose by lifting the retaining clamps - 2 - and loosening the hose clamp - 1 - on the coolant tube.
- Remove the nuts - arrows - and move the vacuum pump - 1 - with the lines connected to the side.
- Remove the bolts - 1 and 2 - and the coolant hose - arrow -.
- Remove the right coolant pipe from the coolant connections and lay it aside.
- Remove the bolts - 1 and 2 - and loosen the hose clamp - arrow -.
- Disconnect the coolant connection pieces leading to the right side.
- Remove the vacuum hose - 5 - (if equipped) from the Secondary Air Injection (AIR) combination valve.
- Remove the secondary air hose - 4 - by pressing the release buttons.
- Remove the bolts - 1 and 2 - and the AIR combination valve.
• Ignore - 3 -.
- Remove the bolts in the following sequence: - 8 to 1 -.
- Carefully remove the right timing chain guard from the bond and the bracket - arrow - for the heated oxygen sensor connectors.
Installing
• For the correct tightening specifications, refer to => [ Right 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 the 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 right coolant intermediate pipe - 2 - out of the right timing chain cover with a drift.
- Insert O-rings - 1 - on the coolant intermediate pipe - 2 -.
- Insert the coolant intermediate pipe into the right 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 right 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 right timing chain cover with the bracket - arrow - and tighten the bolts. Refer to => [ Right Timing Chain Cover, Tightening Specifications and Sequence ] Timing Chain Covers Overview.
Install in reverse order of removal paying attention to the following:
- Install the right Secondary Air Injection (AIR) combination valve. Refer to => [ Right Secondary Air Injection (AIR) Combination Valve ] Right Secondary Air Injection (AIR) Combination Valve.
- Installing the coolant connecting pieces. Refer to => [ Coolant Connections ] Service and Repair.
- Install right coolant pipe. Refer to => [ Right Coolant Pipe ] Right Coolant Pipe.
- Install the right catalytic converter. Refer to => [ Right Catalytic Converter, with Manual Transmission ] Right Catalytic Converter, With Manual Transmission, => [ Right Catalytic Converter, with Automatic Transmission ] Right Catalytic Converter, With Automatic Transmission.
- Install the right front muffler. Refer to => [ Front Muffler ] Front Muffler.
- Install the Heated Oxygen Sensor (HO2S) (G39).
- Install the plenum chamber bulkhead.
- Install the tower brace.
- Install the vacuum pump.