Recent content by Schenkzoola

You are correct in your thinking. The 84020C you mentioned in the drawing is the speed sensor.

While the 30A unit is adequate, I would recommend running 50A service for 40A charging current for two reasons. 1: If you have a particularly busy day, an hour or two charge at 40A provides a very meaningful range. 2: If you get a second EV in the future, a 50A service is kind of the minimum...

Thanks Tony! Was the only difference preload springs, or is there something else different in the rev Q and newer drive units that allows them to last? Or is this just a rumor?

If anybody opens up a rev Q drive unit, I would love to see what they did differently. I have ideas on a modification, but if Tesla already solved it, I want to see what they did. The rev F drive unit does have a brush, but I don’t think it was effective.

Hi everybody, I recently purchased a Rav4 EV with 126,000 miles. This car had terrible drive unit bearing noise, so I took it upon myself to try to fix it. ALL of the noise was caused by bearing failure, however taking it apart exposed a seal failure as well. Three bearings were in bad shape...