Timing Cover: Service and Repair
Timing Chain Covers Assembly Overview
• Items - 1 through 3 -, refer to => [ Dual-Mass Flywheel Component Overview ] Dual-Mass Flywheel Component Overview.
4 - Bolt
• Tightening specifications, refer to => [ Upper Timing Chain Cover - Tightening Specifications and Tightening Sequence ]
5 - Thermostat Housing
• Removal and installation, refer to => [ Coolant Thermostat Housing ] Service and Repair
6 - Bolt
• 10 Nm
7 - Bracket
• Illustration does not correspond to version in vehicle
8 - Gasket
• Replace
9 - Seal
• 2 pieces
• For camshaft adjustment valve 1 (N205) and camshaft adjustment valve 1 (exhaust) (N318)
• Replace if leaking or damaged
• Replacing, refer to => [ Upper Timing Chain Cover Seal, Replacing ] Upper Timing Chain Cover Seal, Replacing.
10 - Bolt
• 10 Nm
11 - Camshaft Position Sensor
• 2 pieces
• Mark the electrical connector before disconnecting
12 - O-ring
• 2 pieces
• Replace
13 - Upper Timing Chain Cover
• Coat sealing surfaces with sealant when installing => [Lightly coat clean upper timing chain cover sealing surfaces with ] Camshaft Timing Chain
14 - Alignment Bushing
• 2 pieces
15 - Gasket
• Replace
16 - O-ring
• Replace
17 - Seal
• Replace if leaking or damaged
18 - Camshaft Timing Chain Tensioner
• Tightening specifications, refer to => [ Timing Chain Component Overview ] Timing Chain Component Overview
19 - Bolt
• Tightening specifications and tightening sequence, refer to => [ Upper Timing Chain Cover - Tightening Specifications and Tightening Sequence ]
20 - Cylinder Head Gasket
• Clean holes and fill with sealant => [ Clean old sealant from 3 mm holes in cylinder head seal. ] Camshaft Timing Chain
21 - Fitting Pin
22 - Lower Timing Chain Cover
• When installing, coat the sealing surfaces with sealant; sealant
23 - Bolt
• 10 Nm
• Fasten in diagonal sequence in steps
Upper Timing Chain Cover - Tightening Specifications and Tightening Sequence
1. Pre-tighten the bolts - 1 - and - 2 - to 5 Nm.
2. Tighten the bolts - 3 - to 23 Nm.
3. Tight the bolts - 1 - and - 2 - to 10 Nm.