So I replaced the above items, and as I was filling the radiator it started leaking a little. install a Subaru OEM gasket and make sure all the bolt holes and bolts are clean. If it's from the gasket - clean the engine side surface and water pump surface REALLY GOOD - green scotch brite pads, i'll even use very light grit sand paper on some, but you shouldn't do that unless you're very familiar with subaru/aluminum engine work like this. If it's coming from the weep hole - the pump needs replaced. It started leaking before I was even finished filling the radiator.Ĭould the water pump already be bad after 5-10k miles? Would coolant leak out of the weep hole when its not running? Should I try to use some blue RTV and make a gasket instead of using a new factory one? Should I replace the pump already or is it more likely the block face is uneven and it won't seal? The parts store only had a Felpro paper gasket so I tried it with some high tack gasket sealer on both sides. Everything looked ok, although the gasket seemed a little warped. This weekend I took it apart and checked the pump. Since then it has been dripping from what appears to be where the water pump bolts to the block. When I went to fill it up to get it home it didn't take as much coolant as I expected. A week or so ago on the way to work it got hot. After getting it back it seemed to still have an antifreeze smell but never saw any leakage. I had a local shop replace the head gaskets in March, they seem to buy a lot of Subarus and fix them up to sell so figured they knew what they were doing. Over the winter I blew the top radiator hose, but it turned out the water pump was bad and it overheated.
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