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Is Dex-Cool not Cool? Answer: Only for Soldered Radiators 200

posted by  Steve on  Mon Aug 18 02:33 CST 2003
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last visit: Fri Oct 24 07:16 CST 2014
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OK, my ONE data point is as follows: I replaced my OEM radiator in my 90 745 with a Nissens brass/solder unit (all metal). I replaced the Dexcool. Within a year, the solder joints began to leak. So I chucked the metal radiator and replaced it with a Volvo OEM aluminum/plastic unit. Put back the Dexcool. Zero problems three years later.

Dexcool does a fantastic job with one exception: on soldered radiators. So if you replace your radiator with a soldered unit, use another coolant.

BTW, I just switched one of my 95 940s to Zerex G-05 (the new hybrid with a little silicate). We'll see what happens. So far, it performs just like Dexcool, running cooler at the temp gauge.






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