1986 Mercury Marquis Major Leak

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D-RAY08
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  • 1 POST
Engine Cooling problem
1986 Mercury Marquis Engine Size unknown Two Wheel Drive Automatic 180000 miles
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I have a 1986 Grand Marquis and when i put water in the raditator it comes right back out. It comes out somewhere under the engine on the passenger side.
Mar 25, 2008 at 3:52 AM
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VOLTS
  • MEMBER
  • 16 POSTS
Hi
From what your describing, it sounds like you have a bad Frost Plug.
Jan 4, 2009 at 3:25 AM
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302ERNIE
  • MEMBER
  • 9 POSTS
BAD FREEZE PLUG IN BLOCK
Jan 30, 2009 at 7:01 AM
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