If the shift from 3rd to 4th is at a speed exceeding 53 mph, then the double
shift will be the 3rd to 4th shift followed immediately by the torque
converter lockup.
Rick
-----Original Message-----
From: Radu Boghici <hueco_tanks@mci2000.com>
To: peugeot@padui.org <peugeot@padui.org>
Date: Monday, June 22, 1998 10:34 AM
Subject: 4HP22 "double-shifting"
>Greetings,
>
>I don't know if "double-shifting" is the appropriate word to use, but the
>4HP22 tranny in my 88 505 STX has been, on occasion, doing the following:
>during hard acceleration the shift from 3rd to 4th is not "announced" by a
>single mild shake, but by two of them, one right after another. Under
normal
>acceleration, the shifting is almost seamless.
>
>Anyone been through this before? Thanks for your time.
>
>RB in Austin, Texas
>
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