No heat/temperature gage high?

Tiny
HOLLYROSS
  • MEMBER
  • 2000 SUBARU LEGACY
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 235,000 MILES
While driving the temperature gage went all the way to overheating and hot air turned cold. There is coolant, we changed the temperature gage and thermostat.
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Wednesday, November 23rd, 2022 AT 11:21 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

Are the same things happening since the work was completed? With the engine cold, remove the radiator cap (not the overflow) and see if the coolant level is full. If it is, perform the bleed procedure below and let me know if that takes care of the issue. If it is not low, let me know if the original issues are still occurring.

Take care,

Joe

See pics below.
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Thursday, November 24th, 2022 AT 8:22 PM
Tiny
HOLLYROSS
  • MEMBER
Sorry, didn't mention before. We already bled the coolant. The problem still exists. Thanks
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Saturday, November 26th, 2022 AT 11:36 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi:

If you used the aforementioned procedure for bleeding, then something is likely putting air into the cooling system. My first thought is a failing head gasket. Take a look through the link below and let me know if you see anything that mirrors what you see on the vehicle,

https://www.2carpros.com/articles/head-gasket-blown-test

Let me know.

Joe
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Saturday, November 26th, 2022 AT 8:23 PM

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