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Old 08-04-2007, 11:24 PM
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Join Date: Jun 2007
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Cool Power steering gear leaking

My power steering fluid is gushing from the bottom of my steering box on my '88, 190e, 2.6. Is that a hard fix for an amateur shade-tree mechanic?

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Old 08-06-2007, 08:20 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
To completely reseal that P/S gearbox it has to be completely dis-assembled.

NOT a normal DIYer at all. A lot of "good" MB tech's won't attempt that repair.
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Old 08-06-2007, 11:00 AM
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Join Date: May 2007
Posts: 114
Just go to a junk yard and pull another one... Shouldn't take too long to do so, its just 3 bolts and then a puller to get the pitman arm out.
87 300E
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Old 08-06-2007, 11:08 AM
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Join Date: Aug 2003
Location: Phoenix
Posts: 3,726
It may have multiple leaks but IF it were only the lower seal it is potentially a DIY job, although not really an easy one and probably not a long term fix. You have to take off the left tie rod, center link, pitman arm, then pull out a seal and replace. Not that hard once you get to the seal but not really easy to get there. To me it would be worth cleaning it up and seeing where it is leaking from. If it's coming from higher up on the gearbox you're toast. It could be a hose which is a DIYer - again not exactly easy.
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Old 08-06-2007, 12:37 PM
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Join Date: Sep 2001
Location: Houston, Texas
Posts: 1,072
Here is an article on how to rebuild / reseal the steering gearbox.

Hope you find it useful.
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Old 08-07-2007, 11:56 AM
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Join Date: Jun 2007
Posts: 29
Maybe try some "Berrymans tranny/powersteering conditioner/ sealer"...that stuff works really good.

I once had a major PS leak on my JAGs steering completely sealed all my PS fluid leaks in my Jag XJS in about a weeks time of using that stuff....that was about a year ago...still no leaks...simply amazing!


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