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2008 Dodge Grand Caravan Question: radiator "Y" hose

 

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baltimoruiz, Denver, CO, September 24, 2010, 08:58
 Enthusiast

Leaking radiator fluid from Y hose. Only overheats if vents on, not if A/C is on. (Coincidence?)Dealer only part $101, not incl hourly repair cost. My husband stopped the leak, from the y hose and even tho no leak, car still overheated while vents on. Only overheats in a.m. after sitting all night. Any ideas?

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    Addison Auto Repair & Body Shop (9 Answers) , Denver, CO - (303) 479-4551
    AddisonJim November 23, 2010, 14:50
     Enthusiast

    If it only overheats after sitting overnight it sounds like it's low on coolant. It may be forming an air bubble in the thermostat and when the coolant heats up and expands, then it displaces the air pocket and the thermostat opens. If the hose wasn't replaced, it probably still leaks some.

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