Checking the valve springs - ra05006010260x(0260)
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
Engines 601, 602 (except 602.98), 603
Preceding work:
Valve springs removed (05-250).
| Spring force | check at specified length. If limit is not achieved, replace valve spring. |
VALVE SPRING DATA
| Part no. | Color marking | Outside dia. mm | Wire dia. mm | Free length mm | Spring force at preloaded length | New value N | Limit N |
|---|---|---|---|---|---|---|---|
| 601 053 01 20 (1st version) | yellow/green or violet/green | 33.2 | 4.25 | 50.8 | 27 | 710 - 790 | 648 |
| 601 053 03 20 (2nd version) | yellow/blue or violet/blue | 33.1 | 4.20 | 50.0 | 27 | 680 - 740 | 612 |
COMMERCIALLY AVAILABLE TOOLS AND TEST EQUIPMENT
| Designation | e.g. company | Order no. |
|---|---|---|
| Spring test scales | Berco | CM130 |