Removal and installation of the crankshaft sprocket - ra03006010350x(0350)
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
Preliminary jobs:
Timing case cover removed (01-210).
Oil pan removed (01-310).
Vehicles with level control:
Drive for oil pump removed (05-437).
| Tensioning bracket (262) | remove together with torsion spring (261), install (items 1, 17). |
| Oil pump sprocket (257) | screw out hex. head bolt (259) and remove together with washer (258) (item 2). |
| Chain for oil pump drive (263) | remove (item 3). |
| Chain tensioner (224) | remove, install. Replace sealing ring (237) (05-310) (items 4, 14). |
| Camshaft sprocket (188) | mark in relation to timing chain (210), screw out retaining bolt (190) together with washer (189) and remove camshaft sprocket (items 6 - 8). |
|
NOTE:
Observe differences in bolts.
|
|
| Crankshaft sprocket (156) | mark in relation to timing chain (210) (item 5). |
| Crankshaft sprocket (156) | pull off with puller 601 589 07 33 00 and check retaining wedge (155a), renew, if required (items 9 - 10). |
| Crankshaft sprocket (156) | renew, transfer color code and knock onto crankshaft with installation punch 116 589 07 15 00 while paying attention to retaining wedge (155a) (items 11 - 12). |
| Camshaft sprocket (188) | position on mark, install timing chain and tighten. Remove hex. head bolts (190) and washers (189). Hex. head bolt 65 Nm, 12-point bolt 25 Nm/90° rotation angle (item 13). |
| Crankshaft | continue to turn and check adjustment markings at TDC position (item 15). |
| Oil pump sprocket (257) | install with chain for oil pump drive (263) and tighten hex. head bolt (259), 25 Nm (item 16). |
|
NOTE:
Install chain sprocket so that arch points toward oil pump.
|
|
| Engine | allow to run and check for leakage (item 18). |
Bolt for camshaft sprocket
Starting 11/88 the bolt for mounting the camshaft sprocket was changed from an M 10 bolt to an M 11 stretch bolt (see 05-220).
| Tightening torques and angles of rotation | Nm | Angle of rot. |
|---|---|---|
| Hex. head bolt for camshaft sprocket | 65 | - |
| 12-point bolt for camshaft sprocket | 25 | 90° |
| Hex. head bolt for oil pump sprocket | 25 | - |
Special tools
Removal
- Remove clamping bracket (262) and torsion spring (261).
- Remove hex. head bolt (259) with washer (258) and remove oil pump sprocket (257).
- Remove chain for oil pump drive (263).
- Remove chain tensioner (05-310).
- Mark position of timing chain and crankshaft sprocket in relation to one another.
- Mark position of timing chain and camshaft sprocket in relation to one another.
- Screw out hex. head bolt and remove with washer.
- Remove camshaft sprocket and allow timing chain to sag.
- Pull off crankshaft sprocket with puller 102 589 05 33 00
- Check condition of retaining wedge in crankshaft, renew, if required.
Installation
- Transfer color code from old crankshaft sprocket to new crankshaft sprocket.
- Knock crankshaft sprocket onto crankshaft with installation punch 116 589 07 15 00. Pay attention to retaining wedge.
- Install camshaft sprocket and timing chain paying attention to marking and tighten.
Tightening torque and rotation angle
Hex. head bolt 65 Nm,
12-point bolt 25 Nm, 90°.
- Install chain tensioner and renew sealing ring (05-310).
- Continue to turn crankshaft and check adjustment marking at TDC (arrows).
- Install chain for oil pump drive together with oil pump chain sprocket and tighten.NOTE: Install oil pump sprocket so that arch points toward oil pump (arrows).
Tightening torque 25 Nm.
- Attach clamping bracket (262) and torsion spring (261).
- Run engine and check for leaks.