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Old 10-05-2002, 08:58 AM
400E 400E is offline
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Join Date: Jun 2001
Location: Omaha, NE
Posts: 962
I don't want to harp on this but several folks have suggested checking your coolant concentration. I know, you've replaced the coolant with 50/50, but if you haven't done so, I would strongly recommend actually checking the concentration with a tester (like the Prestone one described in JimF's post). I know from personal experience that it is virtually impossible to really drain all the coolant, and so if the previous ratio was high and you add a 50/50 mixture it'll STILL be too high. The only way to know is to test.

I would definitely start here before working on more esoteric possibilities.
'93 400E
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