Overheating

Asked by Hans1989 Jul 22, 2016 at 05:03 PM about the 2003 Mercury Grand Marquis GS

Question type: Maintenance & Repair

My car overheats when the a/c is on but when i
turn off the a/c is cools back to normal temp

2 Answers

157,505

Some of the cooling fans in that era were bad about breaking the ring that holds the blades together. If the cooling fans are making a ticking noise it is time for a new one.

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