Left Rear Coolant Pipe, Removing And Installing, 2.9L Engine: Installing

WARNING: This page is about a different car, the 2021 Audi S5 Sportback and 2020 Audi S5 Sportback. 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 seal and O-ring after removal.
Used coolant cannot be used again.

-- Coat the seal and O-ring with coolant and install them.

-- Vehicle with particulate filter: install the left catalytic converter. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING, 2.9L ENGINE WITH PARTICULATE FILTER .

-- Install the heat shield and engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING [CWGD] .

-- Fill the coolant. Refer to COOLANT, DRAINING AND FILLING, 2.9L ENGINE .