Hard shifting after warm up

2006 VOLKSWAGEN JETTA

149,856 MILES • 1.8L • 4 CYL • 2WD • AUTOMATIC

TECBOG5.0

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Car starts hard shifting after warm up. I can get in it at the beginning of the day and drive it around perfectly fine for about 20-30 minutes and then all of a sudden it goes to not shifting hard shifting and revving up before shifting.

Feb 20, 2021 at 8:02 PM

KASEKENNY

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18,907 POSTS

This could be a couple of things. First and foremost it sounds like a fluid issue. If you have not changed the fluid then let's start with this.

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

If that is not the issue then we most likely have an internal issue either with the control side or the clutch material in the unit is worn and is slipping when the fluid gets hot.

I am attaching the process from the manual that will help in replacing the fluid. Let's start with this and go from there.

Thanks

Images (Click to enlarge)

Feb 22, 2021 at 4:02 PM