I filled my coolant a few weeks ago and noticed my light came on again today so I went to check it out and noticed a crack that you can't even see but after wiping oil fluid off noticed it would very slowly drip its on the plastic part right next to the upper hose. Also I don't feel its been building up pressure like normal the top radiator hose is still very soft even when fully heated up. Its a brand new house and I have had not over heating problems.
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