Golf Mk4
| Dismantling and assembling air filter |
| 1 - | Air mass meter -G70- with intake air temperature sender -G42- |
| 2 - | Seal |
| q | Renew if damaged. |
| 3 - | Vacuum hose |
| q | To upper part of intake manifold → Item. |
| 4 - | Intake hose |
| q | With crankcase breather valve. |
| q | For cold climates: Crankcase breather with heater element. |
| q | With engine running, check voltage supply for heating resistor between contacts 1 and 2. Specification: min. 11.5 V. |
| 5 - | Spring-type clip |
| 6 - | To breather housing |
| q | Crankcase breather connection. |
| 7 - | 6 Nm |
| 8 - | Air filter upper part |
| 9 - | Filter element |
| 10 - | 10 Nm |
| 11 - | Air filter lower part |
| 12 - | Air duct |
| 13 - | Intake hose |
| q | For secondary air pump. |
| 14 - | Breather hose |
| q | For exhaust gas recirculation valve -N18- |
| 15 - | 6 Nm |
