Lately, the 01m tranny has been shifting with a harsh slam when first put into gear from a cold start, it shifts OK after that. My thinking was that the fluid may be low from leakage over time, so I removed the drain plug expecting nothing to come out, instead, a lot of fluid came out so I drained off a cup or two and re-installed the plug. Now it is even worse on the first cold shift. It had an ATF filter and oil change less than 30,000 miles ago with VW's special fluid. WHAT IS GOING ON HERE?????? The fluid must be too low now but how can this happen? Is it possible for the level pipe inside to dislodge itself, thereby allowing too much fluid to drain out? By the way the car was level when I drained off the fluid. Hopefully there's an explanation for this.
I recently checked and topped up my auto tranny fluid, and did so, as per the Bentley manual.
My car is a 1996, (But.. OBD-1) automatic with an 01M tranny. CODE APE. No dipstick.
I was already out that day, so the transmission was hot. I had to wait until it cooled down.
-Car on the level ground
-I hooked the car up to VAGCOM and under the tranmission tab, I monitored the tranny temp.
-Once the car cooled down to 30 degrees Celcius, I started it back up.
-When the temp reached 36 degrees, I quickly removed the ATF level plug. And slid a pan under to catch an extra fluid.
Yes, a little bit of fluid came out. (2... maybe 3 tea spoons).
-I had previously removed the tranny filler cap and had a funnel with hose ready to go.
-I started pouring in new fluid until I saw it run out through the level plug below.
-Once I saw that I quickly climbed underneath and threaded the level plug back in.
-Then I shut off the car.
-The vehicle must be running when you check the fluid.
Thanks for the reply, I fixed my car today. The mistake I was making was to check the level without the engine riunning. Today I repeated the process with the engine idling and that made a big difference. I had to add almost a quart of the special fluid and I did it the same way you did with a pan underneath to catch the over flow drips. I'm lucky to have not caused any damage to the transmission by draining out too much fluid. I wonder if it wouldn't be possible to customise a dip stick that would fit in the filler pipe as long as there is no obstruction in the way to the bottom of the pan. I'm going to check this out the next time I do a fluid change.