Date: Sun, 20 Dec 1998 02:28:35 GMT From: Ladislav Bashtarz <ladislavnopsamat.com> Subject: Re: question: transmission fluid....Help me, no manual.
Ken Washington wrote: > Ladislav, > > I will give the short version of my email response here. The owners > manuals for both the 87 900 and 9000 show three columns. If you can get > your hands on one, you will see the blue column clearly has oil > Chg/Safety Insp every 7,500 miles or 12 months...These are U.S. manuals, > so European may be different on the distance and time requirement...The > last time I looked Oil Chg meant change the oil, not check the oil. > While the transmission is not subject to the same as the crankcase, heat > will take its toll on the oil in the transmission... ken,i agree that they probably say that (both my '86 and '88 9000t books say the same thing). i checked the official saab factory manual binders. the 79-83 manual says to check every 5k and change every 15k. the 1985-1988 manual, however, only directs the technician to top off and not drain and refill. (this is also referenced on the service and major service checklists in the service manual.) the haynes 9000 manual states 'there is no requirement to drain and renew the oil during the normal lifetime of the gearbox, unless repair or overhaul is carried out'. in the case of the 9000 consider also the lack of the drainage plug. siphoning the oil out is much more work than simply draining it via a plug hole. if oil changes and particle cleanout were necessary at major service intervals for the 9000, a magnetic plug would most likely be provided. how would any junk at the bottom of the case get removed without a drain plug? the gearbox lubrication/oil quality is obviously not affected during normal service. otherwise saab would direct the techs to change the oil and provide an easy way to do that. you did well by your '83, but i do not think that the gearbox oil change requirement exists past that model year if the factory dealer techs are not required by saab to do the same, regardless of what the owner's manual states. -- ladislav
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