Engine codes AVH and AZG
WARNING: This page does not describe the selected car, but rather 20 other vehicles, including the 2009 Volkswagen Golf, 2008 Volkswagen Golf, 2007 Volkswagen Golf, 2006 Volkswagen Golf, and 2005 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exhaust Manifold, Front Exhaust Pipe And Catalytic Converter With Attachments (Engine Codes AVH & AZG)
1 - Combination valve
- Checking. Refer to Combination valve, checking
- To remove, remove warm air collector plate
2 - 10 Nm
3 - 25 Nm
4 - 30 Nm
5 - Heated Oxygen Sensor (HO2S) -G39-, 50 Nm
- Grease only threads with G 052 112 A3 hot bolt paste (anti-seize compound). Paste must not get into slots on sensor body
- Removing and installing with 3337
6 - Connector
- Black, 6-pin
- Contacts are gold plated
- For Oxygen Sensor and Heated Oxygen Sensor
7 - 30 Nm
8 - Connecting pipe
- For secondary air inlet system
9 - 35 Nm
10 - 25 Nm
11 - Bracket
12 - Connector
- Brown, 4-pin
- Contacts 3 and 4 are gold plated
- For Oxygen Sensor and Heated Oxygen Sensor
13 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-, 50 Nm
- Grease only threads with G 052 112 A3 hot bolt paste (anti-seize compound). Paste must not get into slots on sensor body
- Removing and installing with 3337
14 - To middle muffler
15 - Front exhaust pipe with catalytic converter
16 - 40 Nm
- Always replace
17 - Seal
- Always replace
18 - Exhaust manifold
19 - Seal
- Always replace
20 - Warm air collector plate