2001 mercury villager estate minivanAugust 3, 2015August 4, 2015After engine warms up, I turn on ac and it squeals, it’s not the belt, could it be the compressor?? Keywords:Villager 1 thought on “2001 mercury villager estate minivan” Freeautomechanic August 4, 2015 at 4:50 pm How do you know its not the belt? Did you spray a bit of WD-40 on the belt while its moving and listen for the noise to quit? This is how I test them. But if you know for sure its not the belt, it could be the compressor or an idle/tensioner pulley as well. Comments are closed.