rieleyd Posted July 16, 2017 Share Posted July 16, 2017 Okay. So at this point have no where else to turn. I have been trying to diagnose a water sloshing sound from under the dash. It's a 2001 Legacy GT Limited. I know a lot of people would say its a bad head gasket. Before I go any further I have to disclose that I just did the head gaskets in hopes that this would fix the problem. I sent the heads to the shop and got them machined. I have also back flushed my heater core. The sloshing sound only happens after the car has been sitting overnight. I don't smell coolant in the cabin and all my hoses are TIGHT!! The radiator hoses are pretty hard after driving. I replaced the thermostat with one from the dealer, and also changed the water pump and all the hoses including the heater core hoses. It also has a new radiator. The radiator fans kick on and off. I just don't know any more. When I flushed the heater core there weren't any blockages.The heat works fine. I've bled the cooling system multiple times and that tends to fix it for a few days. But then it comes back again. The only part I haven't changed is the heater core and the coolant temp sensor. WTF IS GOING ON WITH MY CAR!!! Also my car doesn't overheat. Link to comment Share on other sites More sharing options...
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