Overview - Piston And Connecting Rod
WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.
- Piston Rings
- Offset Gaps by 120°
- Use piston ring pliers for removing and installing
- "TOP" faces toward piston crown
- Checking the ring gap CHECKING THE PISTON RING GAP .
- Checking the piston ring groove clearance PISTON RING GROOVE CLEARANCE, CHECKING .
- Piston
- Checking. Refer to PISTONS, CHECKING .
- Mark installed location to connecting rod and the cylinder to which it belongs
- The two deep valve recesses in piston head point toward center of cylinder block.
- Piston, Installing. Refer to PISTON, INSTALLING .
- Circlip
- Make sure it is secure
- Connecting Rod
- Always replace as a set.
- Mark which cylinder to which it belongs -B-.
- Installed position: the markings -A- must align
- Bearing Shell
- Note the installation position
- Do not interchange used bearing shells.
- Bearing shell retaining tabs must be firmly seated in the notches.
- Axial play new: 0.05 to 0.31 mm, wear limit: 0.40 mm
- Check radial clearance with Plastigauge® , new: 0.02 to 0.07 mm, wear limit: 0.10 mm. Do not turn crankshaft when checking radial clearance
- Connecting Rod Bearing Cap
- Mark which cylinder to which it belongs -B-.
- Installed position: the markings -A- must align
- Bolt
- 40 Nm + 1 /4 turn (90°)
- Tighten to 40 Nm to measure radial play, do not turn further.
- Always replace
- Lubricate the thread and contact surface.
- Cylinder Block
- Checking the cylinder bore. Refer to CYLINDER BORE, CHECKING .
- Removing and installing the crankshaft. Refer to CRANKSHAFT .
- Piston and cylinder dimensions. Refer to PISTON AND CYLINDER DIMENSIONS .
- Piston Pin
- If difficult to move, heat piston to 60 °C (140 °F)
- Remove and install using the : VW222A