| Special tools and workshop equipment required |
| t
| Compression tester, e. g. -V.A.G 1381- or -V.A.G 1763- |
| l
| Engine oil temperature at least 30°C |
| –
| Disconnect the plug from the Hall sender (ignition distributor). |
| –
| Open throttle valve fully. |
| –
| Test compression with compression tester, e.g. -V.A.G 1381 - or -V.A.G 1763-. |
Note | –
| Operate starter until the tester no longer indicates a pressure rise. |
|
| new: 1.0 ... 1.5 MPa overpressure |
|
| Wear limit: 0.7 MPa overpressure |
| Admissible difference in pressure between all cylinders: 0.3 MPa |
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