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Transmission shifts hard
2003 CHEVROLET ASTRO
After driving at 70 for 5 miles transmission shift 1-2 hard like a race car. TPS?
have the same problem?
Friday, March 26th, 2021 AT 11:41 AM
The TPS controls shift time, not shift quality. That is mechanical from the valve body.
I would start by changing the fluid and filter and see if that helps. Beyond that, it is the valve body itself that may have a broken accumulator spring.
I attached a picture of the location of the spring.
Image (Click to enlarge)
Friday, March 26th, 2021 AT 3:55 PM
More info: after parked for hour or so then transmission shifts normal.
Saturday, March 27th, 2021 AT 5:34 AM
Okay, then it is something with the valve body.
Start with the fluid change.
Saturday, March 27th, 2021 AT 5:35 AM
to post a reply.
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