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Old 09-24-2019, 12:10 PM   #2
Bill Harris
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Join Date: Mar 2002
Location: Ooltewah, TN
Posts: 421
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Default Re: C4 Transmission issue

There are a few things that affect the flare including which valve body you have (who modified it to full-manual) and which intermediate band servo you are using. There a quite a few different servos that have various apply and release piston areas and accumulator volumes which affect the timing of the band release. The adjustment on the band has a little effect, but it is a fine tuning compared to the hydraulic circuit variables. You should never have a flare on the 1-2. Second gear is the intermediate band applying to stop the direct clutch drum. You might get a slow or sloppy second gear shift, but unless the forward clutch is slipping it shouldn't ever flare.
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Bill Harris
ex 2172 STK
ex 2272 S/S
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