I really need your help! I have a 2013 Chevy Cruze with a 1.4L turbo automatic, it recently hit 50K miles and it started overheating. I tracked it down and found out it was the thermostat, it lasted a week before it started overheating again. Once again I tracked it down and replaced every clamp and hose I saw a minor leak from just to be on the safe side. It’s been 2 months and the car has been doing great until now. It hasn’t lost coolant but when I turn on the heater it makes a weird noise, i looked around my engine bay and saw that there was residue all over the frame and parts of the engine. I didn’t see any leaks but my oil change was coming up so I decided to check the dip stick. My coolant is orange and the oil is brown but when I pulled the dip stick out And cleaned it with a white napkin I saw orange residue on it. I checked my oil cap and saw white mayonnaise stuff on it. What does this mean?
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