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1992 Mercury Cougar thermostat

Tiny
PETRA M
  • MEMBER
  • 1992 MERCURY COUGAR
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 149,100 MILES
Engine overheating problem, thermostat sticking, have replaced thermostat, still overheats. What if I take the thermostat out completely? Will that cause any other problems?
Monday, May 24th, 2010 AT 8:32 AM

3 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Take thermostat out completely will only worsen problem. Is the radiator fan coming on?
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Monday, May 24th, 2010 AT 4:28 PM
Tiny
PETRA M
  • MEMBER
  • 2 POSTS
Yes, the fan is coming on
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Monday, May 24th, 2010 AT 5:27 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
May have residue build up in cooling system causing overheating and possibly why the tstat froze up. Try flushing radiator / cooling system
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Monday, May 24th, 2010 AT 6:16 PM

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