Date: Wed, 2 Nov 2005 10:03:09 -0000 From: "John Hudson" <mypcnospam.com> Subject: Re: Rough Shifting Automatic Trans '98 NG900S
"ShazWozza" <shaz_wozzanospamentspring.com> wrote in message news:newscache$qikbpi$zmu1$1nospame.onthenet.com.au... > Malt_Hound wrote: > > > > I'm just wondering if anyone has any similar experiences with the NG900 > > automatic transmission and what the outcome was. I'm also wondering if > > there are any decent additives that can be used in that transmission to > > smooth out the shifts. I've looked through trhe WIS and do not see > > anything as far as adjustments of Service Information Bulletins related > > to this unless I'm just missing it... > > Those ZF boxes are pretty good and are used in other car makes apart from GM > Saabs. They should go for way longer than 90k without major problems. > > Sounds like you might have trouble with the electric servo operated valves. > Could just be varnish causing a valve to stick, or worse a broken or bodgy > spring, or worn bore. You can damage the transmission pretty quickly > operating it with faulty shifter valves. > I thought they were Aisin Warner on NG900's.Mine certainly is.
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