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Risk of death
caused by vehicle slipping or toppling off of the lifting platform. |
Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. |
AS00.00-Z-0010-01A |
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Notes on self-locking nuts and bolts |
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AH00.00-N-0001-01A |
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Evaluating steering rack when repairing accident vehicles |
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AH46.20-P-9409-01A |
| 1 |
Move out or push out adjustable steering column completely |
Needed for separating the steering coupling (25). |
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| 2.1 |
Deactivate easy entry/exit function |
Vehicles with memory package (driver seat, steering column, mirrors) code 275
Otherwise the driver seat and steering wheel move to a different position, e.g. when the driver door is opened/closed. The upper frame may be damaged when the holding device is installed.
It is switched off using the buttons on the steering wheel in the "Comfort" menu on the multifunction display, see vehicle owner's manual. |
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| 3 |
Extract fluid out of the power steering pump's fluid reservoir |
Hand pump |
Figure |
| 4 |
Remove front wheels |
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Remove/install wheels, rotate if necessary |
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AP40.10-P-4050Z |
| 5 |
Detach front and rear lower engine compartment paneling |
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AR61.20-P-1105P |
| 6 |
Pry off tie rod ball joints (10a) at right and left of steering knuckle |
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AR46.40-P-0200-02PW |
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Thrust piece |
Figure |
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Puller |
Fig 4 |
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*BA46.40-P-1001-01E |
| 7 |
Remove exhaust shielding plate over the right rubber boot on the retaining plate of the rack-and-pinion steering (23) |
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| 8 |
Detach exhaust shielding plate of steering coupling (23k) on control valve of rack-and-pinion steering (23) |
Three bolts. |
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| 9 |
Remove lower bolt (25b) from steering coupling (25) |
To do so rotate steering coupling (25) into corresponding position. |
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*BA46.10-P-1002-01E |
| 10 |
Turn steering wheel to central position (front wheels in straight ahead position) and secure with the retaining device |
On a disengaged steering coupling (25) the steering wheel should not be turned because the spiral contact coil will be destroyed. |
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Retainer |
Figure |
| 11 |
Pull steering coupling (25) carefully out of the control valve of the rack-and-pinion steering (23) (predetermined fracture point on control valve) |
Do not use force (hammer blows, strong lever action) because the lower steering shaft is sensitive to lateral dynamic force and the lower steering shaft may be damaged.
Installation:
Refer to: ↓ |
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Turn rack-and-pinion steering to center position and mount steering coupling |
AR46.20-P-0600-01P |
| 12 |
Remove retaining plate of oil lines (23s) from rack-and-pinion steering (23) and pull out oil lines |
Seal off line connections with plugs.
Installation:
replace O-rings. |
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*BA46.20-P-1001-01F |
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Set of stop plugs |
Figure |
| 13 |
Remove support bracket (1g) on rack-and-pinion steering (23) |
To do so undo bolts (23g). |
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*BA46.20-P-1002-01F |
| 14 |
Prop up rack-and-pinion steering (23) |
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| 15 |
Remove support bracket (1g) from front axle carrier |
To do so unscrew bolts (23a). |
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*BA46.20-P-1004-01F |
| 16 |
Remove rack-and-pinion steering (23) |
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| 17 |
Check rubber mounts (21) of rack-and-pinion steering fixing for damage and replace, if necessary |
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AR46.20-P-0600-02I |
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Lubricant paste |
*BR00.45-Z-1002-06A |
| 18 |
Check protective cap on input shaft of rack-and- pinion steering (23) for damage |
Replace if necessary. See: ↓ |
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Remove/install protective cap for input shaft on steering gear |
AR46.20-P-0004P |
| 19 |
Install in the reverse order |
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| 20 |
Fill power steering pump |
Except model 203.2 with rear axle level control system code 480 |
AR46.30-P-0010P |
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Model 203.281/284 with level control on rear axle code 480
Model 203.287/292 with level control on rear axle code 480 |
AR46.30-P-0010PV |
| 21 |
Check steering for function and leaks |
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| 22.1 |
Check front axle toe and adjust if necessary |
When installing new parts. see: ↓ |
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Perform a wheel alignment check |
AR40.20-P-0200P |