Coolant lines, overview
WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
1 - 10 Nm
2 - Front coolant line
- Removing and installing. Refer to Front coolant line, removing and installing
3 - 22 Nm
4 - O-ring
- Always replace
5 - Coolant line, right
- Removing and installing. Refer to Right coolant line, removing and installing
6 - 10 Nm
7 - O-ring
- Always replace
8 - 10 Nm
9 - O-ring
- Always replace
10 - Engine Coolant Temperature (ECT) sensor -G2-/-G62-
11 - Retaining clip
12 - Coolant hose
- To heater core
13 - Coolant hose
- To expansion tank
14 - Connecting piece
- Tighten to 15 Nm
15 - Seal
- Always replace
16 - Coolant hose
- To heater core
17 - 10 Nm
18 - Rear coolant line
- Removing and installing. Refer to Rear coolant line, removing and installing
19 - O-ring
- Always replace
20 - Coolant hose
- To top of radiator
21 - Coolant hose
- To oil cooler