Coolant reservoir noise

2008 CHEVROLET AVEO
62,000 MILES • 1.5L • 2WD • AUTOMATIC
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LEO1738
  • MEMBER
  • 1 POST
My coolant reservoir is making a sound like when water goes down a drain even though i recently replaced my water pump, radiator and radiator hoses with brand new ones what could this be
Aug 28, 2025 at 11:33 PM
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MECHTRIX
  • ✓Experienced Mechanic
  • 569 POSTS
its best practice to replace the thermostat at the same time as the coolant pump ...did you ? also what was the reason for replacing those parts ..? over heating ?
Aug 29, 2025 at 4:22 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,594 POSTS
Yes, MECHTRIX has a point, the engine sounds like it is over heating, I would also do a blown head gasket test, this guide will show you how and you can rent the kit from the auto parts store for free.

https://www.youtube.com/watch?v=5zpNjYmmiYY

Please go over this guide and get back to us.
Sep 5, 2025 at 3:28 AM
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