I think this an easy problem and fixing it shouldn't be hard. But I'm curious as to *why* it's happening.
A few weeks ago, my engine started running hotter and I was losing water. Water pump gasket - replaced it and the water pump. Now the engine still runs hotter but it dips down so I know I'm getting water because of that and the obvious lack of leakage. But - the heat in my car is really cold. Then it gets warm, then cold, then warm again. It does this for about 10 minutes (after warming up the car for 5) and then it stays warm.
My guess is the T-stat is starting to go so that's my plan right now. But why is the heat bouncing up and down? Is the t-stat spontaneously opening and closing?
A few weeks ago, my engine started running hotter and I was losing water. Water pump gasket - replaced it and the water pump. Now the engine still runs hotter but it dips down so I know I'm getting water because of that and the obvious lack of leakage. But - the heat in my car is really cold. Then it gets warm, then cold, then warm again. It does this for about 10 minutes (after warming up the car for 5) and then it stays warm.
My guess is the T-stat is starting to go so that's my plan right now. But why is the heat bouncing up and down? Is the t-stat spontaneously opening and closing?
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