Howdy! 3 Questions about A/C

[livelarg]

Howdy all, my A/C went out this weekend on a road trip on a 100 degree day! It kinda sucked. The first question is about that, the other 2 are general questions I have about the a/c unit. So here are the questions 1) I know it is the compressor pully. Was working fine until the pully locked up. So, should I replace pulley or whole compressor? and Is there instructions anywhere on how to do it? 2) My fan only works on high (been like this a while), is there a resistor to replace, or replace switches? Which is more common? (and where is the resistor?) 3) my rear a/c seems to put out minimal air, it's cold, but doesn't seem to blow lots of it out. Is there a way to either check the fan? Is clogged vents common? any ideas? thanks in advance for any help/idea you all have. Thought I would get all my questions out of the way at one time. Thanks Kent

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[MartymanVR6]

Compressor clutch stuck? or not engaging/turning?

Change de compressor as a unit with the clutch (if faulty)

Your fan stuck in high speed 100% sure its the blower motor resistor

Change your cabin pollen filter if equipped...