[Vwdiesel] Fw: Transmission ---- 5 speed manual ( changing oil )

[Scott Alexander]

What's the difference and what happens if one does?  I ask because it'll
be easier to convince my buddies not to just put in whatever is lying
around and because if I find myself with a leaky transmission in the
middle of nowhere and only GL-5 available, it makes it easier to make
the decision on tow, drive a short distance and change the oil as soon
as possible, or drive home and switch the oil when fixing the problem.

Thanks,
Scott Alexander
'82 Rabbit

On Thu, 2003-11-06 at 10:04, TexasTDI wrote:
> Yes, GL-4 and GL-5 lubes are different.  NEVER use GL-5 lube in a GL-4
> transmission.
>
> According to my Bentley Manual, the MK2 transmission holds 1.9 US quarts
> (1.8 litres).
>
> Christopher Thornton
> 1991 VW Jetta 2 Door 1.6 Diesel - 240k miles
> 2000 VW Golf 1.9 TDI (turbo diesel) - 89k miles
> Amsoil Synthetic Lubricants Dealer #1098500
> http://www.amsoil.com
>
> ----- Original Message -----
> From: "Gerry Wolfe" <gerry.wolfe at sympatico.ca>
> To: <vwdiesel at vwfans.com>
> Sent: Tuesday, November 04, 2003 3:24 PM
> Subject: [Vwdiesel] Fw: Transmission ---- 5 speed manual ( changing oil )
>
>
> This is a multi-part message in MIME format.
> --
> [ Picked text/plain from multipart/alternative ]
> Subject vehicle: '91 Jetta TD 5-speed (this is the Cdn MF engine... 68
> throbbing HP... not the puny ECO one).
>
> My repair place installed Red Line MT-90... it's SAE 75W90 API GL-4 gear
> oil.  Apparently GL-4 and GL-5 have different additives which need to be
> compatible with the type of gearbox synchronizers.
>
> Drained the old fluid and suctioned the dregs, installed the new thru the
> speedo cable.  Torx "screw" if memory serves me correct.  Used almost the
> entire 1 US qt / 0.946 litre.
>
> I noticed an improvement -- smoother winter shifting, easier 1st gear
> downshift.
>
> rgds, g.
> :o)
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--
Scott Alexander <salex at dsl.cis.upenn.edu>