Pistons, Removing And Installing: Installing

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2020 Audi A4 allroad, 2020 Audi A4 Quattro, 2019 Audi A4 allroad, 2019 Audi A4 Quattro, and 2018 Audi A4 allroad. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal and note the following:

Replace the bolts that were tightened with an additional turn after removing them.
Arrow on the piston crown points toward belt pulley side.

-- Install the compression ring. Refer to -item ) OVERVIEW - PISTONS AND CONNECTING ROD - List Item: Compression Rings.

-- Installing the oil scraping ring. Refer to -item ) OVERVIEW - PISTONS AND CONNECTING ROD - List Item: Oil Scraping Ring.

-- Coat the contact surfaces on the bearing shells with oil.

-- Coat the contact surface of the bearing shells and the cylinder wall with engine oil.

-- Push the piston -1- with the : T40347 carefully by hand in the cylinder -arrow-.

Courtesy of AUDI OF AMERICA, LLC

Arrow on the piston crown points toward belt pulley side.

-- Install the connecting rod bearing cap. Pay attention to the installation position -item ) OVERVIEW - PISTONS AND CONNECTING ROD - List Item: Connecting Rod Bearing Cap.

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

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