1 | Compression recorder |
2 | Connector |
P01.00-3531-06
Danger ! | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
| Remove | ||
1 | Warm up engine to normal operating temperature and then switch off the ignition | Only check when engine is at normal operating temperature. | |
2 | Remove spark plugs | ||
| Check | ||
3 | Actuate the starter and allow the engine to turn for about 3 s | ||
4 | Insert compression recorder (1) with appropriate connector (2) into spark plug bore | Compression tester | |
5 | Actuate starter and crank engine until no further pressure rise is monitored on compression recorder (1). | Helper required. | |
6 | Carry out test procedure at remaining cylinders in the same way | Repeat operation steps 4 and 5. | |
7 | Compare measurements for the individual cylinders with each other | For deviation of a cylinder to the remaining cylinders: | |
| |||
Check cylinder leakage of the respective cylinder. | |||
| Install | ||
8 | Install spark plugs | ||
9 | Read out fault memory; clear if necessary | ||
|
001 589 76 21 00
Compression tester
Referenced documents
- ad0000p200006sr Connect/disconnect diagnostic unit
- ar0100p1300sr Check cylinders for leaks
- ar1512p1010sr Remove/install spark plugs
- as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.