Golf Mk4
| Part Il (engine code: APF) |
| 1 - | Heat shield |
| 2 - | 25 Nm |
| 3 - | 6-pin connector |
| q | Black for Lambda probe -G39- and Lambda probe heating -Z19-. |
| q | Right on underside of vehicle. |
| q | Gold-plated contacts. |
| 4 - | Lambda probe -G39-, 50 Nm |
| q | Continuous Lambda probe. |
| q | Grease threads only with hot bolt paste -G 052 112 A3-, hot bolt paste -G 052 112 A3- must not get into the slots of probe body. |
| q | Remove and install with Lambda probe open ring spanner set -3337-. |
| q | Checking: → Rep. Gr.24. |
| 5 - | From combination valve |
| q | Secondary air system → Chapter |
| 6 - | Threaded connection, 35 Nm |
| 7 - | 25 Nm |
| 8 - | Connecting pipe |
| q | Secondary air system → Chapter |
| 9 - | 25 Nm |
| 10 - | 4 Nm |
| 11 - | Retaining clip |
| q | To secure the line Lambda probe -G39- |
| 12 - | Flange |
| q | To secure the connecting pipe on exhaust gas recirculation valve |
| 13 - | 25 Nm |
| q | Renew |
| 14 - | 4-pin connector |
| q | Brown |
| q | Contacts 3 and 4 gold-plated |
| q | For Lambda probe -G39- and Lambda probe heating -Z19-. |
| 15 - | 60 Nm |
| 16 - | Lambda probe after catalytic converter -G130-, 50 Nm |
| q | Grease threads only with hot bolt paste -G 052 112 A3-, hot bolt paste -G 052 112 A3- must not get into the slots of probe body. |
| q | Remove and install with Lambda probe open ring spanner set -3337-. |
| q | Checking: → Rep. Gr.24. |
| 17 - | To middle silencer |
| 18 - | Front exhaust pipe with catalytic converter |
| 19 - | 40 Nm |
| q | Renew |
| 20 - | 25 Nm |
| 21 - | Support |
| 22 - | 20 Nm |
| q | Renew |
| 23 - | Gasket |
| q | Renew |
| 24 - | Exhaust manifold |
| 25 - | Gasket |
| q | Renew |
| 26 - | Bracket |
| 27 - | Washer |
| q | If a nut with collar is installed then no washer |
| 28 - | 25 Nm |
| q | Renew |
| 29 - | 10 Nm |
| 30 - | To throttle valve module -J338- |
| 31 - | 25 Nm |
| 32 - | Connecting pipe |
| q | Exhaust gas recirculation system → Chapter |