Date: Tue, 07 Dec 2004 15:06:12 GMT From: John B <rotten_NOSPAM_nospam.org> Subject: steam at radiator (c900)
Hello, I've been noticing some steam rising from the grille of my 1992 900 S (NA). This happens exactly once per drive, lasts roughly 30 seconds, and coincides with the engine approaching operating temperature (and thus presumably the thermostat opening). It is most pronounced when it is raining (probably due to rainwater on the radiator evaporating), but occurs in dry conditions also, leading me to suspect coolant involvement. Any loss of coolant, however, is too subtle to notice at the expansion tank. I have a pressure tester, but I doubt it would be helpful due to the brief window during which the steam is released. Any ideas welcome. Thanks, John
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