[T3] My final question about the auto trans fluid level.

[William J]

Is it possible that the dip stick I have is not the proper one . It has the 
red plastic tag stating the type of fluid to use and a 90 degree twist just 
above the high mark.

 I never had a reason to doubt it is not stock .

 William
----- Original Message ----- 
From: "Jim Adney" <jadney at VWType3.org>
To: <type3 at vwtype3.org>
Sent: Tuesday, March 22, 2016 4:03 PM
Subject: Re: [T3] My final question about the auto trans fluid level.


> On 22 Mar 2016 at 14:15, William J wrote:
>
>>  I'm well aware the engine has to be running.and the fluid warm and 
>> realize
>> the fluid must circulate and fill every passage so I shift it from drive 
>> to
>> reverse.a few times .
>
> Okay, I thought we'd been down this road before, and you'd made it
> clear that you were doing it right. So i'm stumped. If I had to
> guess, I'd say that letting the dipstick sit there awhile let it
> accumulate some splash from inside the AT, but I really have no idea
> how active things are in there with the engine idling.
>
> What happens if you do this test:
>
> Insert the stick and remove it quickly: get a low reading
>
> Insert the stick and let it sit awhile: get a high reading
>
> Now what happens if you repeat the quick insertions a few times? Do
> you again get all (or mostly) low readings? If so, I'm gonna guess
> that letting it sit accumulates splash. If they are all high after
> the first high reading, then it's just that the fluid has drained
> back to its normal level in the sump.
>
> Once filled, the various passages in the AT don't drain back down as
> long as the engine is running, but I'd expect some dripping/draining
> from the walls, etc that would occur after a drive or possibly after
> reving the engine. Frankly, I wouldn't expect it to make this much
> difference, so this leaves me puzzled.
>
> I CAN tell you what happens if the level gets too low. At some point
> there's not enough ATF to drive the hydraulics, so the AT will start
> to have trouble getting into gear and pulling the car. This marginal
> operation is clear enough that you'll know to add ATF well before any
> damage is actually done to the AT.
>
> -- 
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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