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
  • 31,299 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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