That's probably the torque convertor locking and unlocking. Then when you
hit the button, it dropped out of 4th (overdrive) into 3rd, and then locked
the convertor again.
-Chris
----- Original Message -----
From: "Mike" <spammikeREMOVE@home.com>
To: <dakota-truck-moderator@bent.twistedbits.net>
Sent: Monday, April 23, 2001 10:41 AM
Subject: DML: Two questions (gears and limiter)
> Hello, I have two quick questions. First, I recently took a trip on the
> Coquihalla highway from Vancouver to Kelowna. Plenty of hills to go over
> and I noticed something a bit odd. I had my truck in cruise and OD
enabled.
> I noticed that as it started climbing some of the steeper hills it would
> drop down a gear, which is understandable, I'm assuming that was a
4th->3rd
> shift. I didn't want it to shift in and out of 4th so I disabled OD at
that
> point. The truck then downshifted again (2nd???) then upshifted (back to
> 3rd???). If it downshifts on it's own and I disable OD should it not just
> stay in the gear it's in? I was doing about 120Km/h at the time. Is it
> possible that it uses a different set of gears when in OD? I recently
read
> something in this group about a different 2nd gear when upshifting versus
> downshifting. Is something similar going on here?
>
> Question two, do these trucks have a rev/speed limiter? On the way home I
> wanted to give it a test speed run and took it up to 180Km/h for a short
> while and it was still going. If there is a limiter, at what point does
it
> kick in?
>
> Thanks,
> Mike
>
> 2001 Club Cab Sport
> 4X4 LSD
> Auto
> 4.7L V8
>
>
>
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