confused about synthetic gear oil

rizov_d at shaw.ca rizov_d at shaw.ca
Tue Feb 25 07:59:25 EST 2003


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What is the viscosity grade of the oil?

As with any fluid the viscosity defines pourability.

With 75W-90 I do not have problems at -30 C!



Dobby

86 4kq (bent drive shaft)





----- Original Message -----

From: "Livolsi, Stephane" <Stephane.Livolsi at investorsgroup.com>

Date: Tuesday, February 25, 2003 7:35 am

Subject: RE: confused about synthetic gear oil

> no, it's definitely cold related. All standard transmission
> vehicles that I
> have had did this - maybe my use of the word 'creep' was
> ambitious. to
> clarify, what I mean is this:
> put the shifter in between gears - ie neutral
> push in clutch
> start the car
> let the clutch out - tone of engine changes slightly due to
> additional load
> and also can tell that the tranny gears are turning now - as you
> let the
> clutch out, the car tries to go forward, moves very slight amount then
> settles back down. This is much more pronounced the colder it
> gets, meaning
> very sub freezing. with regular (non-synth) I don't think I ever
> recallexperiencing it at anything above -10C.
> It really surprised me that it occurs with the synth because I
> though that
> was one of their great properties - consistent pourability over a
> wide temp
> range.
>
> Tonight it should get cold again. I still have some of the amsoil
> gear oil,
> and if I remember I will leave it out tonight and see how it pours
> tomorrow.
>
> > ----------
> > From: Mihnea Cotet[SMTP:mik at info.fundp.ac.be]
> > Sent: February 24, 2003 2:40 PM
> > To: Livolsi, Stephane; Audi Quattro List
> > Subject: Re: confused about synthetic gear oil
> >
> > Stephane,
> >
> >
> > AFAIK it's totally unrelated... When in neutral no car should
> creep in
> > either direction IMHO.
> >
> > HTH,
> >
> > Mihnea
> >
> > At 16:32 24/02/2003 -0600, Livolsi, Stephane wrote:
> > >my experience is not what I expected.
> > >
> > >late last year, I put Amsoil GL4 (this is the correct stuff as
> per user's
> > >manual) synthetic gear oil in my tranny (86 5ktq), following a
> clutch> job.
> > >I expected that the synth would stay more fluid during cold
> temps. Today
> > >was the first really cold morning all winter -22 C (seriously,
> it was the
> > >first day that was this cold) and after starting I had the
> gearbox in
> > >neutral and let the clutch out. Holy cow, the car actually started
> > creeping
> > >forward, only a cm or so, but still!
> > >IIRC, it's even worse than when I had the non-synth in there
> > >
> > >Anyway, am I off base here? Shouldn't the synth prevent this
> creeping?> >
> > >TIA
> > >
> > >Stephane
> >
> >
>
>



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