Rear diff service question on 280se - Mercedes-Benz Forum

 
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post #1 of 9 (permalink) Old 05-21-2014, 07:48 AM Thread Starter
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Rear diff service question on 280se

Hi
i have serviced the rear diff on my Land rover and truck before. Are there any things i should know or is it a straight drain and refill?
Also which oil should i use?
Thanks in advance.
John.
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post #2 of 9 (permalink) Old 05-21-2014, 08:03 AM
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The first thing to do is to loosen the fill plug BEFORE you drain the lube. The Benz plugs are notorious for being hard to undo.
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post #3 of 9 (permalink) Old 05-21-2014, 08:22 AM
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80/90w oil , the wheels must be on ground or ramps when doing this , so the axle stay straight . the oil in rear end last almost for ever .
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post #4 of 9 (permalink) Old 05-21-2014, 12:10 PM Thread Starter
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Much appreciated.
Cheers john
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post #5 of 9 (permalink) Old 05-22-2014, 09:15 PM
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If you want to get ALL the oil out raise one side then the other to allow the oil trapped in the axle tubes to run out. You would be suprised at how much more comes out especially if you have some positive camber.

Tony
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post #6 of 9 (permalink) Old 05-22-2014, 09:37 PM Thread Starter
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Thanks for that advice I would never have thought of doing that.
Cheers John
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post #7 of 9 (permalink) Old 05-23-2014, 12:55 AM
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Tony
What oil grade do you use in a 3.5 ?These are not LSD units as I understand
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post #8 of 9 (permalink) Old 05-27-2014, 01:50 PM
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I have been in the restoration mode for a while so I'm not really up to speed on the various lubricants but I don't remember anything unique about the rear axle lube-I'm sure others here re more up to speed.

Tony
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post #9 of 9 (permalink) Old 05-27-2014, 03:17 PM Thread Starter
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Thanks Tony. I ended up going with 80/90 rear gear oil.
Thanks John
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