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  #1  
Old 04-01-2002, 10:02 PM
BenzGuy124
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87 300E Pinion Seal Replacement

Can anyone provide advice on replacing the pinion seal in an 87 300E?

A basic procedure is what I am looking for with any tips that might be helpful. What is the best way to extract the seal, once you reach it?

BenzGuy 124
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Old 04-01-2002, 10:54 PM
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Are you talking about the seal located on the steering gear? The seal on the spline shaft connected to the pittman arm? Or is it the seal on the shaft from the steering wheel? If so, I can send you a picture of how to extract the thing.
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Old 04-02-2002, 08:54 PM
BenzGuy124
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No, I meant the rear pinion seal on the differential.
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Old 04-03-2002, 09:30 AM
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This method works well when you cant get a good grip on a seal from any angle. This one came out of the steering box.
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87 300E Pinion Seal Replacement-mvc-583f.jpg  
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I got too many cars!! Insurance eats me alive. Dave

78 Corvette Stingray - 3k
82 242 Turbo Volvo - Manual - 270k
86 300e 5 speed manual - 210k
87 420sel - 240k
89 560sl - 78k
91 420sel - 205k
91 560sel - 85k
94 GMC Suburban - 90k
97 Harley Davidson Heritage Softail - 25k
00 GMC Silverado 1 ton 30k
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  #5  
Old 04-03-2002, 09:55 AM
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Another meathod simular to Dave's is to punch a hole in the seal casing with a sharp screwdriver and lever pry it out.
But the important part is to index the flange nut before dis-assembly to the pinion shaft so that it reassembles to the same spec.
There is a crush bushing on the shaft that is factory set and if it is crushed [ tightened] any further the differential gear mesh will be wrong [ NO GOOD AT ALL]
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Old 04-04-2002, 09:04 PM
BenzGuy124
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Hey Dave and Arthur,

Thanks for the tips. The leak looks small at the moment so I don't know when I will get to actually changing it.
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  #7  
Old 10-07-2002, 07:19 PM
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This is about a 2 hour job for the mechanic. I need mine done
too and I'm thinking of letting them do it.
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