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<x-charset iso-8859-1>Response from Australia to the Bob Hoover response! Don't know if it's bronze or brass or whatever, but it's a new slant and could explain why the newer cans say GL3, GL4 and GL5 on them. Dave. UK VW Type 3 & 4 Club http://www.hallvw.clara.co.uk/ ------ ----- Original Message ----- From: "Rob" <aussiebug@start.com.au> Newsgroups: uk.rec.cars.vw.aircooled Sent: Thursday, February 28, 2002 6:49 AM Subject: Re: Gear Box Oil > Dave, and the group, > > To add my 2 cents worth... Bob Hoover is quite right, the first GL5 > standard is slightly corrosive to the bronze in VW gearboxes when it's > hot. > > Once the oil companies discovered this, they improved the GL5 standard > to GL5-MTI (VW aren't the only gearboxes to have bronze components), > which is NOT corrosive to VW gearboxes and is quite safe to use. > > GL3 and GL4 standards are quite OK too. > > The normal VW gearbox oil is 85w90 or 80w90 Hypoid. The 80w90 is > better if you live in an area of snowy winters - it will make for > smoother gearchanges on cold mornings. > > The Synthetic gearbox oils are often 75w90, and this is fine too - > making for even smoother changes on cold mornings. So long as it's > GL5-MT1 and NOT the original GL5 standard. > > Regards > Rob > Rob and Dave's aircooled VW pages > Repairs and Maintenance for the home mechanic > http://www.geocities.com/aussiebug1970 > ------------------------------------------------------------------- Too much? Digest! mailto:type3-d-request@vwtype3.org Subj=subscribe </x-charset>