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Longwinded, but stick with it please! Had a 97 Taurus overheat and shutdown on the
Interstate about a year ago. I had run low on coolant somehow. Let it cool. Got coolant
in it. Everything fine. Began losing coolant from reservoir cap later. Replaced Cap.
Still losing. Replaced reservoir. Everything fine for a while (six months). Radiator
develops slow leak. Flushed and stop leak put in. (Water was rust !) No help. Driven with slow leak for month (topped off twice). Radiator replaced and now something strange is happening.
Sitting at a drive through the night after getting the radiator replaced,
I notice the temp has redlined! Shut
the car off, let cool. Drive home. Now anytime I sit for 5 or more minutes the temp redlines. The fans blow fine. Once I start moving, the temp immediately normalizes. Even runs colder than normal while moving
for a bit and then stabilizes. What's even odder, while it's running hot, the heater
blows cold! Once I get moving the heater blows warm air. This fluctuates. Little cold,
warm. Sometimes it just blows cold while I’m driving, not enough to defrost! Sometimes it's fine! While driving its usually normal. The guy that replaced my radiator said it's
not the thermostat, because it would be stuck one way or the other. Both lines into the
firewall feel normal (hot,warm). He suggested a compression check to make sure it's not
being lost through the head gasket, but I'm not losing coolant! Suggestions?? |
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