car running hot

2000 MERCURY MARQUIS
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NEEDCARHELP
  • MEMBER
  • 1 POST
i have a 2000 grand marquis and it is running hot, i put antifreeze in and two days later it runs hot again, and it smokes, and the heat is only blowing out cool air what is causing this?
Dec 26, 2010 at 10:49 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
There is air in the heater core, you will have to bleed this air out and get a cooling system pressure test done to check for any external leaks, start here.

Mark (mhpautos)
Dec 30, 2010 at 5:13 AM
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