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|Saab Model 99 Bulletin Board|
I haven't ever really had a problem with head corrosion, but I do change the coolant every 2 years. Use a modern "blue" coolant formulated for use with aluminum; eEuroparts (and NAPA) carry a Pentosin brand, I've also heard the Mercedes brand recommended. I have had the orange long-life (Propylene Glycol) in my car for the last 10 years or so, seems like it was rough on some of the rubber bits (like the heater valve) but I'm told that it also leaches lead out of the brazed radiator and therefore becomes uniquely toxic. It was originally recommended because it should reduce corrosion and water pump seal wear in a car that sits around a lot, but I would not do it again. I'd use the combination of blue ethylene glycol, distilled water, and RedLine Water Wetter and change it every 2 years.
Posts in this Thread:
- H engine in a 99?, Charles R Wirt, Wed, 28 Dec 2016 15:11:17
- Re: H engine in a 99?, BobD, Sat, 31 Dec 2016 11:02:221
- why?, jimmy, Thu, 29 Dec 2016 09:51:25
- Re: why?, Charles Wirt , Thu, 29 Dec 2016 12:21:49
- Re: why?, Gary Stottler , Tue, 3 Jan 2017 05:38:30 <-- Viewing This Message
- Re: why?, Steve Mac, Fri, 30 Dec 2016 07:39:33
- Re: why?, alvaro Isla, Tue, 3 Jan 2017 11:06:58
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