Oil Pump Timing Chain Overview
Oil Pump Timing Chain Overview
1 Cylinder Block
2 Guide Rail
• Secured to the upper oil pan,
• Lubricate before installing the pin.
3 Chain Tensioner
• Secure using the locking pin (T10115).
4 Bolt
• 10 Nm
5 Sprocket, for the Oil Pump
• Removing and installing, refer to => [ Oil Pump ] Oil Pump.
6 Timing Chain, for the Oil Pump
• From MY 08 the roller chain has been changed to a toothed chain.
• Removing:
- Remove the engine.
- Remove the control housing cover.
- Remove the timing chain.
- Remove the chain tensioner => [ (Item 3) Chain Tensioner ].
- Mark the direction of travel.
• Note when installing:
- Install in original rotation direction.
- Chain must lie correctly in the tensioning and guide rails.
- Adjust the valve timing. Refer to => [ Valve Timing, Adjusting ] Adjustments.
7 Bolt
• 20 Nm + 90° (1/4) additional turn.
• Always replace.
8 Guide Rail
• Lubricate before installing the pin.
9 Bolt
• 10 Nm
10 Mount
• Engages in the groove in the double sprocket => [ (Item 12) Double Sprocket ].
11 Bolt
• 60 Nm + 90° (1/4)) additional turn.
• Always replace.
12 Double Sprocket
• Lubricate the journal before installing.
• Lubricate the mount => [ (Item 10) Mount ].
13 Gear Shaft
14 Threaded Pin
• 40 Nm
• For the chain tensioner for the timing chain.