Maybe this post can help others.
Since day one, I had a strange shift issue from 1st to 2nd. When releasing the clutch, the shift never felt smooth. It was as if the car was hanging on the last few inches of the clutch release. I took the car to the dealership, twice, only to be told that I didnt know how to drive a stick. (This is my third stick over my 30 years of driving history. I NEVER had to replace a clutch.)
Well, at 55K on my Vibe, I finally got around to changing the manual transmission fluid. I measured the drained fluid.... 1 quart, 2 cups, and 5 ounces. hmmmmm, 11 ounces short of 2 quarts.
I filled the transmission with a full 2 quarts. Amsoil GL4, 75-90, synthetic manual transmission fluid. Very little drained out... so 2 quarts is the correct fill. (Yes, car was level.) I looked closely at the passenger side output shaft and saw a build up of dirt on the transmission case. No wetness... but dirt. hmmmmmm, fine spray mist from a bad shaft seal since new?
I test drove the Vibe, now with a full 2 quarts of Amsoil fluid and it is perfect. The symptoms of harsh clutch release in 1st gear is gone! So much for the dealership's theory that I don't know how to drive a clutch. How 11 ounces can make that much of a difference is amazing.
Questions come to mind. Was the transmission not filled properly from the factory? Is the seal bad and this is why 11 ounces were missing? Is there damage already done... due to 55K with low fluid? Why are dealerships arrogant and think they are the only people that know cars? (You should have seen the fit the dealership gave me when I told them NOT to fill the antifreeze with DexCool because it contained Toyota Pink. After 20 minutes of convincing and a history of the Nummi plant and the GM Toyota agreement, they finally got it. They did go to Toyota and purchase Toyota Pink for my water pump repair. (They gave me the remaining fluid in the OEM Toyota bottle.) They said they ALWAYS just add DexCool to other Vibes. (Good luck to them in 50K miles when their cooling system is full of brown mud.)
I read countless articles regarding failed manual transmissions, between 80K and 100K, in the Toyota Matrix. At least the Vibe (my year) has a standard power-train warranty for 5 / 100!
If you want to read something funny, go to Amsoil's website and search the 2009 Vibe, Corolla, and Matrix specs for manual transmission fluid. There, you will get three different answers. I emailed Amsoil and have yet to receive a response.
Comments welcomed.
Doc Doug