Date: Wed, 02 Nov 2005 08:49:38 GMT From: ShazWozza <shaz_wozzanospamentspring.com> Subject: Re: Rough Shifting Automatic Trans '98 NG900S
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.
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