Pistons, Removing And Installing: Removing

WARNING: This page is about a different car, the 2022 Audi A6 Quattro and 2021 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

The engine is secured to the engine and transmission holder. Refer to ENGINE, SECURING TO ENGINE AND TRANSMISSION HOLDER .

-- Remove the cylinder head. Refer to CYLINDER HEAD, REMOVING AND INSTALLING .

-- Remove the oil pan upper section. Refer to OIL PAN UPPER SECTION, REMOVING AND INSTALLING .

-- Mark the installation position and allocation:

Pistons to cylinder.
Connecting rod to cylinder -item 4- OVERVIEW - PISTONS AND CONNECTING ROD => List Item: Connecting Rod.
Connecting rod bearing cap to connecting rod -item 2- OVERVIEW - PISTONS AND CONNECTING ROD => List Item: Connecting Rod Bearing Cap.

-- Remove the bolts -arrows- and remove the connecting rod bearing cap -1-.

Courtesy of AUDI OF AMERICA, LLC

Do not damage the cracked surfaces of the connecting rods and connecting rod bearing caps.

-- Remove the piston with the connecting rod upward.

TIP:

Fig 1: Locating Components of Piston

Courtesy of AUDI OF AMERICA, LLC

If difficult to move, heat the pistons to approximately 60 °C (140 °F).

-- Remove the circlip -2- from the piston pin eye.

-- Remove the piston pin -3- using the : VW222A .

-- Remove the pistons -1- from the connecting rod -4-.