Date: Thu, 18 Aug 2005 09:43:03 +0100
From: Sleeker GT Phwoar <>
Subject: Re: Replace the automatic transmission unit or give up

In article <61751d3cd6feff1f29be2022157abd70>, barberirealtynospamcom says... > Ok jez here we go. I have a 1992 saab conv purchased new in 92. It has > been nothing but headaches since day one. Why I keep the car I just dont > know. I guess it is because that damm top goes down and I love the air > going through my hair. I now have 134k and have had 4 new trasmissions > the last one was at 105k so I am keeping my fingers crossed. Just about > everything has been replaced. The car has cost me many thousands in > repairs. Why it eats up auto transmissions I dont know but it does. Also > had problems with brakes,exhaust, you name it and it breakes and to this > day I cant keep the ac working. I have replaced the compressor twice and > now finally gave up on ac. They say saab will go forever but they forget > to mention that not only are repairs frequent but very very expensive. > best regards papa > > Papa. The autoboxes are known to be weak. Was the fluid ever changed between boxes breaking? That can be what kils them if they aren't serviced properly. Also, if it is a Turbo, the manual box was never really strong enough, never mind the auto. I'm surprised at the exhaust being replaced, but at 134k miles I would have expected a car to have had at least one full brake replacement (discs/pads/hoses maybe even calipers, and occasionally hard pipes too). With AC, the reason you are losing compressors is probably lubrication. Saab 900 AC is the older R12 type, that uses a different oil and gas to a modern car. In the UK at least, R12 is totally banned to be replaced with R134. To fit R134 in an R12 system, you should use a different type of oil, you need to drain, replace the O-ring seals, replace the reciever drier, vacuum test, measure and replace the old mineral based oil with a synthetic one, fill with the correct ammount of R134. Or you can get it vacuumed, replace the oil, and add R134 and a "leakstopper". or you can do what I did, add R314a, R49 (R134 and additive compatible blends), or RS24 (liquid industrial R12 replacement normally used for large scale regrigerated truck conversion), hope there is enough oil in (there was), weigh it carefully, pray, and use the AC regularly (at least 10 mins a montheven in winter). -- Carl Robson Car PC Build starts again. Homepage:

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