Coolant leak - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 1 (permalink) Old 02-18-2018, 10:18 AM Thread Starter
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Join Date: Oct 2015
Posts: 114
Coolant leak

09 I noticed the coolant in my reservoir had gone down a few ounces so I looked over the engine and found some puddles on the right side top of the trans thought it was a head gasket add some more fluid deciding what to do and a couple days later I found the leak on the Overflow tube that runs across the top of the motor back into the motor the metal part of the tube was being rubbed by a plastic part of the air box it wore a pinhole in the metal tube and was leaking replace the tube and all is good
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