Overview - Coolant Pipes, 2.9L Engine-Side

WARNING: This page is about a different car, the 2022 Audi S5, 2022 Audi RS 5, 2021 Audi S5, 2021 Audi RS 5, and 2020 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

The marking on the coolant pipes and ends of coolant hoses must align.

Fig 1: Exploded View Of Coolant Pipes, 2.9L Engine-Side

Courtesy of AUDI OF AMERICA, LLC

O-Ring
- Always replace after removing.
Bolt
- 9 Nm
Left Front Coolant Pipe
- Removing and Installing. Refer to LEFT FRONT COOLANT PIPE, REMOVING AND INSTALLING, 2.9L ENGINE .
Bolt
- 9 Nm
O-Ring
- Always replace after removing.
Bolt
- 9 Nm
Front Coolant Pipe
- Always replace after removing.
- Removing and Installing. Refer to FRONT COOLANT PIPE, REMOVING AND INSTALLING, 2.9L ENGINE .
Bolt
- 9 Nm
O-Rings
- Always replace after removing.
Bolt
- 9 Nm
Connection
O-Ring
- Always replace after removing.
Bolt
- 9 Nm
Bolt
- 9 Nm
O-Ring
- Always replace after removing.
Large Right Rear Coolant Pipe
- Removing and Installing. Refer to LARGE RIGHT REAR COOLANT PIPE, REMOVING AND INSTALLING, 2.9L ENGINE .
Clamp
Bolt
- 9 Nm
O-Rings
- Always replace after removing.
Bolt
- 9 Nm
Clamp
Bolt
- 9 Nm
Small Right Rear Coolant Pipe
- Removing and Installing. Refer to SMALL RIGHT REAR COOLANT PIPE, REMOVING AND INSTALLING, 2.9L ENGINE .
Bolt
- 9 Nm
Rear Left Coolant Pipe
- Removing and Installing. Refer to LEFT REAR COOLANT PIPE, REMOVING AND INSTALLING, 2.9L ENGINE .
Bolt
- 9 Nm
O-Rings
- Always replace after removing.
Bolt
- 9 Nm
Connection
Nut
- 9 Nm
Left Coolant Pipe
- Removing and Installing. Refer to LEFT COOLANT PIPE, REMOVING AND INSTALLING, 2.9L ENGINE .
Nut
- 9 Nm
Nut
- 9 Nm
Bolt
- 20 Nm
Lower Front Coolant Pipe
- Removing and Installing. Refer to LOWER FRONT COOLANT PIPE, REMOVING AND INSTALLING, 2.9L ENGINE .

Coolant pipes on Lower Lock Carrier - Tightening Specification

Fig 2: Coolant pipes on Lower Lock Carrier

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts -arrows- to 4.5 Nm.