COOLING SYSTEM

  • Tiny
  • dan timo
  • 2003 Subaru Forester
  • 130,000 miles

After driving my car for sometime and then you open the bonnet you realize that the coolant container is full to the top and the coolant is boiling, after the car cools down it returns to normal. Note that the temp gauge is at the right time always.

Sunday, September 18th, 2011 AT 4:05 AM

4 Answers

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,410 posts

With the engine cold, remove the radiator cap and start the engine. If coolant shots out, you have a bad head gasket.

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Sunday, September 18th, 2011 AT 4:57 AM
  • Tiny
  • KHLow2008
  • Expert
  • 41,976 posts

Check the radiator cap, seems it is bad.

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Sunday, September 18th, 2011 AT 6:14 AM
  • Tiny
  • dan timo
  • Member

Tried to change the cap but its still the same, tried also to remove the cap when engine is down then started it en there was very little over flow of the coolant but it did not gush out

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Sunday, September 18th, 2011 AT 3:12 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,976 posts

Ensure cooling fans are working correctly.
Is the replaced radiator cap of the correct specification?
Ensure the cap contact areas are clean and good.

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Sunday, September 18th, 2011 AT 10:32 PM

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