Overview - Piston And Connecting Rod: Notes

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.

Fig 1: Exploded View Of Piston And Connecting Rod

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Bolts
- 50 Nm + 90° additional turn
- Replace
- Lubricate the threads and contact surface.
- Use old bolts to measure the radial clearance. Tighten to 50 Nm, but do not turn further
Connecting Rod Bearing Cap
- Mark for installation later
- Mark the allocation to the cylinder with paint. Refer to Figure
- Installation position of the connecting rod pairs. Refer to Figure
Bearing Shells
- Make sure the tabs are secure.
- Mark used bearing shells for reinstallation but not on the running surface
- Radial play, measuring. Refer to CONNECTING RODS, CHECKING RADIAL CLEARANCE .
- For reworked connecting rod pins, oversized bearings are available. Refer to the Parts Information..
- The connecting rod tabs are above each other
Connecting Rod
- Always replace as a set.
- Mark the allocation to the cylinder with paint. Refer to Figure
- Installation position of the connecting rod pairs. Refer to Figure
- Axial play for each new connecting rod pair: 0.20 to 0.45 mm
- Radial play, measuring. Refer to CONNECTING RODS, CHECKING RADIAL CLEARANCE .
Circlip
- Replace
Piston Pin
- If difficult to move, warm the piston up to approximately 60 °C (140 °F)
- Remove and install using the Pilot Drift:VW222A
Piston
- Mark the installation position and cylinder allocation. Refer to Figure
- Check. Refer to Figure.
- Install with piston ring compressor
- Checking the cylinder bore. Refer to Figure.
Piston Rings
- Offset gaps by 120°
- Use piston ring pliers for removing and installing
- Installed position: "TOP" marking or side with writing faces the piston crown.
- Measuring the gap. Refer to Figure
- Measuring side clearance. Refer to Figure