Expansion tank overflowing - Saab 900 Bulletin Board - Saabnet.com
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Expansion tank overflowing
Posted by Tim [Email] (more from Tim) on Wed, 13 Aug 2008 15:20:00
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I replaced an original cracked expansion tank with a new aftermarket one.
The new one always leaked alittle at the cap which I though was due to the cheap plastic threads. Recently it leaked the entire tank after I shut off the engine.
I then replaced this tank with an OEM original from a junk yard. Much better plastic. After I filled it up I started the engine to see the coolant cycle through. Soon after startup, the coolant began to rise in the tank filling all the air spaces and overflowed out the cap too. The temp gauge wasn't even warm so the fan never kicked in.
Is this a bad head gasket letting exhaust in or a faulty Thermostat perhaps?
posted by 75.169.2...
Posts in this Thread:
- Expansion tank overflowing, Tim, Wed, 13 Aug 2008 15:20:00 <-- Viewing This Message
- Bad news, probably, Saana88 , Wed, 13 Aug 2008 19:51:03
- Re: Expansion tank overflowing, mac, Wed, 13 Aug 2008 19:43:38
- Re: Expansion tank overflowing, oldsaab, Wed, 13 Aug 2008 18:50:25
- Re: Expansion tank overflowing, diskullman, Wed, 13 Aug 2008 18:19:55
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