air conditioner after a few hours does not blow as hard but fan is still on high

10

Asked by Jan 13, 2013 at 10:41 AM about the 2005 Mercury Grand Marquis LS Ultimate

Question type: Maintenance & Repair

I have experienced the air conditioning in my car not blowing as hard after a few hours on a long drive. The fan is still on high and you can hear it on high but the air flow is alot less. Is this a common problem and can i fix this myself. It almost seems if a damper door is closing or hindering the air flow

3 Answers

330

check plunger for the damper, and if the blower is overheating or siezing because of the cold air, due to lack of grease

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Best Answer Mark helpful
10

thanks the fan works fine. the plunger could be problem.you can here the fan on high its like the flow of air is blocked. where is it located? can anyone let me know.

1 people found this helpful.
330

look in/around the duct work, under the dash on the passenger side. can be a real job getting back together, so write/ record every step. also, 1st, check the cabin filter. call auto parts store(s) for location of that

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