1 | Drag link (between steering gear and steering arm of 1st front axle) |
2 | Pitman arm |
3 | Drag link (between steering gear and 1st steering idler arm (4)) |
4 | 1st steering idler arm |
W46.40-1089-04
Danger | Risk of death caused by vehicle slipping or toppling off during lifting | Only lift vehicle at the lift support points specified by the vehicle manufacturer. | |
Warning | Risk of injury from being trapped in the swivel range of steered axles | Ensure that no persons or objects are in the swivel range of all steered axles when turning the steering wheel. Do not stand in the swivel range of the additional steering axle when the engine is running. | |
Topical note | Notes on self-locking nuts and bolts | ||
Topical note | Special instructions for lifting and supporting vehicle | ||
Topical note | Notes on maintenance and repair work | ||
Notes on safety-relevant components | |||
| Remove | ||
1 | Secure vehicle against rolling | ||
2 | Move front wheels to straight-ahead position | ||
3 | Lift 1st front axle until the wheels turn freely and jack up | ||
4 | Lift 2nd front axle until wheels can turn freely, and jack up | ||
5.1 | Turn steering to right until nut of drag link (1) at pitman arm (2) can be removed | On left-hand drive vehicles | |
5.2 | Turn steering to left until nut of drag link (1) at pitman arm (2) can be removed | On right-hand drive vehicles | |
6 | Unscrew nut of drag link (1) at pitman arm (2) and screw on again by hand | | |
Counterhold the ball joint with an Allen wrench if necessary. | |||
7 | Pry drag link (1) off pitman arm (2) | The drag link (1) detaches suddenly. | |
Puller | |||
8 | Unscrew nut and detach drag link (1) from pitman arm (2) | ||
9 | Unscrew nut of drag link (3) at pitman arm (2) and screw on again by hand | | |
Counterhold the ball joint with an Allen wrench if necessary. | |||
10 | Pry drag link (3) off pitman arm (2) | The drag link (3) loosens suddenly. | |
Puller | |||
11.1 | Turn steering to left until puller can be positioned at 1st steering idler arm (4) | On left-hand drive vehicles | |
11.2 | Turn steering to right until puller can be positioned at 1st steering idler arm (4) | On right-hand drive vehicles | |
12 | Unscrew nut of drag link (3) at 1st steering idler arm (4) and screw on again by hand | | |
Counterhold the ball joint with an Allen wrench if necessary. | |||
13 | Pry drag link (3) off 1st steering idler arm (4) | The drag link (3) loosens suddenly. | |
Puller | |||
14 | Move steering to straight-ahead position | The 1st steering idler arm (4) must be vertical so that the drag link (3) can be removed from the 1st steering idler arm (4). | |
15 | Unscrew nut at 1st steering idler arm (4) and remove drag link (3) from 1st steering idler arm (4) | ||
16.1 | Turn steering completely to left | On left-hand drive vehicles | |
When doing so, have the drag link (3) held by a second person. Make sure that the drag link (3) does not tilt when the steering is turned. The wheels of the 2nd front axle are also steered by the pressure in the steering cylinder. | |||
16.2 | Turn steering completely to right | On right-hand drive vehicles | |
When doing so, have the drag link (3) held by a second person. Make sure that the drag link (3) does not tilt when the steering is turned. The wheels of the 2nd front axle are also steered by the pressure in the steering cylinder. | |||
17 | Unscrew nut at pitman arm (2) and remove drag link (3) | To remove the drag link (3), turn the steering to the right (with left-hand drive vehicles) or to the left (with right-hand drive vehicles) if necessary. | |
| Install | ||
18 | Insert drag link (3) into pitman arm (2) | To insert the drag link (3), the steering must be turned to the left on left-hand drive vehicles or to the right on right-hand drive vehicles. | |
19 | Fit new nut at pitman arm (2) | ||
20 | Turn wheels of 2nd front axle to left or right by hand directly at axle until drag link (3) can be attached to 1st steering idler arm (4) | It is not advisable to turn the wheels on the 2nd front axle using the steering wheel because the pressure always causes the steering cylinder to extend as far as the end stop. | |
21 | Attach drag link (3) to 1st steering idler arm (4) with new nut | Counterhold the ball joint with an Allen wrench if necessary. | |
Nut, drag link to steering idler arm | |||
22.1 | Turn steering to the right until nut at pitman arm (2) can be tightened | On left-hand drive vehicles | |
22.2 | Turn steering to the left until nut at pitman arm (2) can be tightened | On right-hand drive vehicles | |
23 | Tighten nut at pitman arm (2) | Counterhold the ball joint with an Allen wrench if necessary. | |
Nut, drag link to steering gear pitman arm | |||
24 | Turn steering to left or right until drag link (1) can be attached at pitman arm (2) | ||
25 | Attach drag link (1) to pitman arm (2) using new nut | Counterhold the ball joint with an Allen wrench if necessary. | |
Nut, drag link to steering gear pitman arm | |||
26 | Move steering to straight-ahead position | ||
27 | Lift 2nd front axle, remove jack stands and lower wheels | ||
28 | Lift 1st front axle, remove jack stands and lower wheels | ||
29 | Perform a test drive | During the road test check the overall steering behavior of the vehicle. | |
If the vehicle pulls to the left or to the right or the steering wheel is not in the straight-ahead position when the vehicle is being driven in a straight line. | |||
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Check center steering position and adjust if necessary. | |||
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Puller