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A/C off, shifts great! A/C on, shifts late!

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Old 05-20-2005, 02:17 PM
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A/C off, shifts great! A/C on, shifts late!
Why does my tranny hesitate to downshift when the A/C is running, but has no hesitation when it is off?

I'm referring to situations where I punch the pedal, and not gentle acceleration.

Shouldn't the electronics be compensating for the change?

Or is it a torque converter issue, rather than an ECU or ECT issue?

HELP!
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Old 05-21-2005, 04:04 PM
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My dad always turned the AC off when he was at the drag strip.

Not entirely relevant, but I think it does have some effect..
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Old 05-21-2005, 05:01 PM
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a/c robs horsepower thats y you never run at the track with the a/c on
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Old 05-22-2005, 08:42 AM
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your compressor turns off at WOT so your situation is normal
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Old 05-23-2005, 01:00 PM
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Originally Posted by killcrap
your compressor turns off at WOT so your situation is normal
Really? 10char
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