How to Fix my thermostat control on a 1998 Mercury grand Marquis LS it is staying on heat?

Asked by May 01, 2016 at 06:13 PM about the 1998 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

3 Answers

Don't no

Add an answer I wouldn't be asking you don't that make sense

1,645

Lots of guys on here know more than I do about this. Vacuum hoses, stuck diverter door, controller, lots of different possibilites. One solution involves removing the dash, one can be done through the glove box, with skinned knuckles.

Your Answer:

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