Examining valve springs - RA05001042600X(05-2600)
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.
Preceding work:
Valve springs removed (05-2500)
Operation no. of operation texts and work units or standard texts and flat rates
| Valve springs | clean. Replace valve springs which are not to dimensional tolerance, which are corroded, have surface rust, mechanical damage or are worn at the ends. |
| Color coding (F) on valve springs | check, match up, see table. |
| Spring force when pretensioned | measure. If the valve springs do not reach the specified spring force, they cause a loss of positive contact at high speeds and must be replaced. |
VALVE DATA
| Valve spring part no. (1) | Color coding (F) | Outer Ø (D) mm | Wire Ø (d) mm | Length untensioned (L) mm | Length L1 and L2 pretensioned spring force in N | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| L1 N | L2 N | ||||||||||
| Outer spring | 104 053 03 20 | yellow-silvergrey or purple-silvergrey | 29.8 | 4.0 | 46.8 | 36.9 285 ±14 | 27.5 665 ± 33 | ||||
| Outer spring | 104 053 05 20 | yellow blue-yellow or purple blue-yellow | |||||||||
| Inner spring | 104 053 01 22 | purple-silvergrey or yellow-silvergrey | 20.5 | 2.5 | 47.6 | 33.9 125 ± 7 | 24.5 258 ± 13 | ||||
| Conical spring(2) | 111 053 00 20 | purple-yellow or yellow-yellow | 23.4 29.3 |
3.7 | 47.3 | 36.7 290 ± 15 | 27.3 600 ± 30 | ||||
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