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Replacing 190E Steering Gearbox
This article is a reference for replacing the steering gearbox on a 190E and may be applicable to similar models. Remanufactured steering gearboxes may be purchased from C & M Hydraulics based in Las Vegas, Nevada.
| Time | 2 hours |
|---|---|
| Cost | |
| Difficulty | |
| Parts Required | Power steering fluid - 1 46 0001 Power steering filter - 000 466 2104 Steering coupler - 123 460 0210 Renew locking hex nuts for tie rod ends - N913002010010 |
| Applicable models | All 190Es with left hand drive |
Special Tools
Balljoint separator - Used for removing the left tie rod and center drag link
Gear puller - Removing pitman arm from steering gearbox output shaft
Suction gun - Used to remove old power steering fluid
Snap ring plier - Remove snap ring from pitman arm shaft
Power Steering Fluid
Part number: 1 46 0001
Fill capacity: 0.6 L
Cost (as of 12/2015): $8.70 / unit
Fill capacity: 0.6 L
Cost (as of 12/2015): $8.70 / unit
Procedure
Preparation
- Lift front end of vehicle in the air
Siphon / Drain Old Fluid
- Remove power steering fluid reservoir cap
- Remove filter
- Filter is held in place by a 10mm nut under spring tension. Caution when removing this 10mm nut as it may spring out once unthreaded
- Pull old filter out with pliers
- Use a suction gun to remove old fluid.
- Rotate steering wheel left and right to pump more fluid back into the reservoir. Remove as much as possible.
Suction gun on power steering fluid reservoir
Removing old power steering filter