Engine codes AVH and AZG
WARNING: This page is about a different variant/trim than selected.
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