MY CAR MAKING HISSING SOUND WHEN TURNED ON IT ...

  • Tiny
  • Anonymous
  • 1999 Holden Commodore
  • 310,000 miles

My car making hissing sound when turned on it overhears could you. Please tell me what's wrong



Monday, February 18th, 2013 AT 6:44 AM

1 Reply

  • Tiny
  • mhpautos
  • Expert
  • 30,590 posts

Pressure test for external coolant leaks, sounds like you have a leak in the system.

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Monday, February 18th, 2013 AT 7:34 AM

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