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#Post#: 56081--------------------------------------------------
Diff prep
DIR By: Erikisbananaman
Date: April 2, 2013, 3:46 pm
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I have just got a RR diff for my 3series. What is involved in
changing the diff (rear) any pointers would be helpful.
#Post#: 56083--------------------------------------------------
Re: Diff prep
DIR By: hippydave
Date: April 2, 2013, 3:49 pm
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why are you only changing one, you wont be able to use 4wd with
out getting winde up.
#Post#: 56087--------------------------------------------------
Re: Diff prep
DIR By: Erikisbananaman
Date: April 2, 2013, 4:01 pm
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I only have 1 so will not be using 4wd until I get another one
to fit to the front
#Post#: 56090--------------------------------------------------
Re: Diff prep
DIR By: hippydave
Date: April 2, 2013, 4:09 pm
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Well drain the oil, remove prop, unbolt drive flanges, pull out
the half shafts, unbolt the diff, give it a few taps to release
it, its quite heavy when your underneath the motor so be aware
you got to hold it, then just reverse the process to put the new
on in, fitting new gaskets on the diff and drive flangers or use
silicone instant gasket, but make sure all the oil is off.
#Post#: 56102--------------------------------------------------
Re: Diff prep
DIR By: espacekiller
Date: April 2, 2013, 5:36 pm
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Might be worth checking the pinion oil seal on the new diff see
if has been leaking, if it needs changing also look at the
pinion flange (where the seal runs) for dammage or a groove, it
needs to be smoothe . Would it not be better to wait until you
have 2 diffs?
#Post#: 56112--------------------------------------------------
Re: Diff prep
DIR By: NiteMare
Date: April 2, 2013, 9:22 pm
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i've driven my 109 with odd ratio diffs in it for the best part
of two years now, as long as you don't attempt to use 4x4 on
hard packed surfaces it's no problem
if i need low box on hard packed surfaces all i have to do is
flip my FWH's over so they disengage the drive, i have used 4x4
a couple of times though when on really slippery surfaces to get
me moving again
#Post#: 56125--------------------------------------------------
Re: Diff prep
DIR By: divie
Date: April 5, 2013, 1:49 pm
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If its a 2.25 diesel dont bother with rangie diffs i tried it
and it buggered up the drive ability. Petrol and 200tdi should
be ok though
#Post#: 56145--------------------------------------------------
Re: Diff prep
DIR By: Erikisbananaman
Date: April 5, 2013, 3:31 pm
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Thanks for all that advice, much appreciated. I am only changing
one because I need to use the thing as my daily commuter and as
it is a 2.5TD it is revving out on the old diffs so I need a
higher cruising speed otherwise I would wait and do both
#Post#: 56188--------------------------------------------------
Re: Diff prep
DIR By: espacekiller
Date: April 5, 2013, 7:38 pm
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--- Quote from: Erikisbananaman link ---
>
> Thanks for all that advice, much appreciated. I am only
changing one because I need to use the thing as my daily
commuter and as it is a 2.5TD it is revving out on the old diffs
so I need a higher cruising speed otherwise I would wait and do
both
>
>
--- End Quote ---
Fair point then if you are commuting.
#Post#: 56190--------------------------------------------------
Re: Diff prep
DIR By: Lurch
Date: April 5, 2013, 7:46 pm
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Rear one wont take much longer than an hour to change, when/if
you do the front one,wait untill a weekend :smilewide:
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