Timing Chain Assembly Overview
Timing Chain Assembly Overview
1 Intake Camshaft Adjuster
• With the sprocket
• Do not disassemble.
2 Exhaust Camshaft Sprocket
• Not pressed onto the camshaft.
• When removing, press off lightly, if necessary.
3 Cylinder Head
4 Tensioning Rail
• For the timing chain tensioner.
• Secured to the cylinder block.
• Oil before installing the pin.
5 Double Wheel Sprocket
• Securing, refer to => [ Oil Pump Drive Chain Assembly Overview ] Oil Pump Drive Chain Assembly Overview.
6 Timing Chain
• Beginning with Model Year (MY) 2008 the roller chain has been changed to a tooth chain.
• Removing:
- Work procedure same as for "Adjust valve timing". Refer to => [ Valve Timing, Adjusting ] Adjustments.
- Remove the vacuum pump. Refer to => [ Brake Booster Vacuum Pump ] Brake Booster Vacuum Pump.
- Mark direction of travel.
• Note when installing:
- Install in original direction of rotation.
- Chain must lie correctly in the tensioning and guide rails.
- Adjust the valve timing. Refer to => [ Valve Timing, Adjusting ] Adjustments.
7 Strainer
• Replace
8 Bolt, 10 Nm
9 Timing Chain Tensioner
• Secure with locking pin (T03006).
10 Gasket
• Replace
11 Timing Chain Guide Rail
• Oil before installing the pin.
12 Bolt, 60 Nm + 90° (1/4) additional turn
• Replace
13 Bolt, 60 Nm + 90° (1/4) additional turn
• Replace