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Re: [T3] Oil & Cooler Transmission Fluid Questions


On 9 Apr 2001, at 8:28, Ian Ruinaard wrote:

> I would like to know what fluid to use in my Fastbacks auto
> transmission (VIN is 319...) as well as oil grade to use. In the past
> I have used a monograde SAE 30, as we don't have extremely cold
> temperatures here (motor is standard, but a bit worn. I am not a great
> fan of heavy engine oils - too much chance of bearing starvation at
> higher rpm) 

The AT actually uses TWO fluids. Use Dexron ATF, via the filler 
tube at the front of the engine compartment. Also there is a 
separate compartment (the differential) that uses GL-5 Gear Lube. 
The filler for that is next to the right side output shaft under the car 
and uses a 17mm allen wrench to open. It's important to check this 
because it often gets forgotten and can run dry on these old cars. 
Running dry destroys the transmission, of course.

I think SAE 30 is just fine unless it gets extremely hot where you 
live. I agree with you on extra heavy oils; most people who use 
them are probably doing more harm than good.

> Looking at some pictures the other day, the later T1 (Beetle) offset
> oil cooler set-up (the 'Doghouse') looks identical to the T3 cooler,
> only that it is adapted to sit offset 7 straight up. Am I right ?

Almost right. The type 1 cooler does not have the boss for the oil 
pressure switch and never came in the early 8mm oil port size.

-
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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