Work sequence
WARNING: This page is about a different variant/trim than selected.
- Remove engine cover.
- Disconnect central connector for unit injectors - 1 -.
- Pull connector strip - 2 - off glow plugs.
- Remove all glow plugs - 3 - using jointed wrench 3220.
- Screw in adapter V.A.G 1381/12 in place of glow plugs.
- Check compression using compression tester V.A.G 1763.
NOTE:
- Using compression tester. Refer to Tester operating instructions.
- Operate starter until tester shows no further pressure increase.
Compression pressures
- New: 25 to 31 bar
- Wear limit: 19 bar
- Permissible difference between all cylinders: 5 bar
- Install glow plugs with jointed wrench 3220. Tightening torque: 15 Nm
- Read fault memory. Refer to Engine control module fault memory, reading and erasing .
NOTE:
- Disconnecting the central connector for unit injectors causes faults to be stored. Therefore read and erase fault memory.