+1 on the CBPV - Saab 9-5 Bulletin Board - Saabnet.com
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+1 on the CBPV
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Posted by Mark in Marine(MN) (more from Mark in Marine(MN)) on Sun, 13 Sep 2015 19:17:18 Share Post by Email
In Reply to: Re: Indy could not find the leak, pme [Profile/Gallery] , Sun, 13 Sep 2015 06:49:53
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If the coolant bypass valve (CBV)is the issue, it might need just the right cycle of temp and AC settings to show itself for the mechanic to find.

I replaced a leaking CBV on our 1999 SE 2.3lpt once. After I saw on this board how soon some of the valves began to leak, I replaced the CBV with MacKay hoses, and I've done the CBV deletes on all three new-to-us 9-5's since.

You could put a piece of paper or paper towel under the valve with water-based pen writing on it and check it in a few days for evidence of leaking (the ink will bleed) - BUT the access is tight enough that you would be well into the job of replacing with the MacKay hoses by the time you got the paper in place.

Good luck on finding your leak - and let us know when you find it.

Mark in Marine (MN)
2006 SC #1 118K miles
2006 SC #2 95K miles
1999 SE (semi-retired) 225K miles

posted by 50.33.60...

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