RE: IML: Transmission woes on '90 Imp

["Mark Swingle" <mark.swingle@xxxxxxxxxxx>]

To really know what's up with the tranny, a dealer needs to scan the tranny
for trouble codes and record the CVIs.  Some tranny shops can do that too.

A tip for slow to engage OD trannies is to add Lucas tranny conditioner.  It
works (for a while anyway).

Mark
90 Imperial

-----Original Message-----
From: mailing-list-owner@xxxxxxxxxxxxxxxx
[mailto:mailing-list-owner@xxxxxxxxxxxxxxxx]On Behalf Of Jason Wulf
Sent: Wednesday, January 26, 2005 3:44 PM
To: mailing-list@xxxxxxxxxxxxxxxx
Subject: Re: IML: Transmission woes on '90 Imp


Tim,

I also own a 90 Imperial with transmission woes, and I'll simply relay
to you everything I've heard.  I don't know what's fact or fiction,
because it all seems to have merit, and different shops that I talk to
have different theories as to exactly what's causing it, but they all
lead directly to a rebuild.

I know for a fact (i had a shop plug his tool into the diag port) that
my clutches are way out of spec tolerance.  On his tool, normal
tolerance was "70-90", and the readout of my clutches was in the
neighborhood of 160.  I've also heard that some of the solenoids could
be plugged, and it's possible that someone sometime put Dexron in it.

--This brings me to a brief aside, but I just want to make sure that
you did put Mopar 7176 (ATF+3) in when you flushed it, right?  I've
read horror stories about people that were told Dexron III was good
enough, and 10,000 miles after their rebuild the tranny went again.

I've also been told that my seals are probably shot, causing incorrect
pressures.  I just did a fluid flush/fill myself, and now when the car
is bone cold the transmission shifts into gear great in the morning.
After it's warmed up, if i let it sit for about 20 minutes it'll take
sometimes 15 seconds to get into gear.  This leads me to believe that
it's the seals, but I have no real technical knowledge about this
transmission, and after looking at exploded diagrams of the
million-billion parts inside, I think I might just best leave it to
the 'pros.' =)


Hope this helps,
-Jason Wulf


On Tue, 25 Jan 2005 22:23:36 -0800 (PST), Tim Clevenger
<tjclevenger@xxxxxxxxx> wrote:
> Hi all,
>
> My wife took the '90 Imp down the hill to go shopping.
> While driving, the transmission started slipping badly.
> This was accompanied by a whining sound, and a few
> seconds later, by a "Check Trans" message in the Message
> Center.  She figured out that if she shut the car off and
> started it back up, she'd get a good 10 seconds out of the
> transmission before it ran out of power again, so she was
> able to nurse it the 100 yards to the nearest parking lot.
>
> We had the car towed home, and it seemed to run okay when
> cooled down, though we only ran it long enough to get from
> the street to the driveway.  I've had problems in the past
> with the car hesitating for up to 30 seconds when I shift
> it into Drive when first starting up.  Fluid level is
> normal, the fluid smells okay, and it was just changed
> 4,000 miles ago.
>
> Any ideas?
>
> Thanks.
>
> Tim
>
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