Operation Stage 3.9
Check the level control systems for any visible damage.
Manual Level Control
Compressed air is pumped into an air chamber, formed by the container tube of the damper and the protective metal tube, on the damper via a tyre filler valve in the luggage compartment of the vehicle (in Service during Pre-delivery Inspection or Inspection/Service Plan).
Minimum air pressure 0.8 bar.
Nivomat Automatic Level Control
This system only consists of one single component, namely the level control unit itself. This also works automatically.
| Model | Level control |
|---|---|
| Agila-A | None |
| Agila-B | None |
| Corsa-C | None |
| Corsa-D | None |
| Combo | None |
| Tigra-B | None |
| Meriva | None |
| Meriva-B | None |
| Astra-G | manual in estate and panel van |
| Astra-H | automatic in estate and panel van (Sachs Nivomat, hydropneumatic) |
| Astra-J | None |
| Insignia | automatic in estate (Sachs Nivomat, hydropneumatic) |
| Zafira-B | automatic (Nivomat Messrs. Sachs, hydro-pneumatic) |
| Vectra-C | automatic (Nivomat Messrs. Sachs, hydro-pneumatic) |
| Signum | automatic (Nivomat Messrs. Sachs, hydro-pneumatic) |
| Antara | automatic (Nivomat Messrs. Sachs, hydro-pneumatic) |
| Opel GT | None |