Coolant reservoir noise

Tiny
LEO1738
  • MEMBER
  • 2008 CHEVROLET AVEO
  • 1.5L
  • 2WD
  • AUTOMATIC
  • 62,000 MILES
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
Friday, August 29th, 2025 AT 6:33 AM

2 Replies

Tiny
MECHTRIX
  • MECHANIC
  • 382 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?
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Friday, August 29th, 2025 AT 11:22 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,591 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.
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Friday, September 5th, 2025 AT 10:28 AM

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