Question on transmission failures.

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Old Jul 30, 2003 | 03:08 PM
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From: YVR
Question on transmission failures.

Page 522
Clutch Q/A while Shifting

Table with temp rise and other stats for WOT second-to-third, WOT third-to-second (kick-down), and closed throttle 5-to-3 MANUAL downshift.

ON WOT 2-to-3 upshift, the delta T was 100 degrees (assume C)
ON WOT 3-to-2 downshift, the delta T was 23 degrees
ON Closed throttle 5-to-3 manual downshift, the delta T was 111 degrees.

“* Clutch Q/A is not too high and is judged to be at acceptable level.”
The above is extracted from the LONG summary (done by EricL) of the Acura transmission failure case report submitted to the NTHSA (? spelling ?).

Can someone explain what the heck is "closed throttle 5-to-3 manual downshift" ? I thought the auto box will downshift from 5-4-3 by itself when the SS is tapped back twice manually.
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