Mazda3 AC compressor pulley problem

Noisy compressor pulley on 2005 Mazda3 Sport. Do I need a new pulley and clutch, or a new compressor, or both?

Category:

Autos & Vehicles

Tags:

• mazda
• mazda3
• ac
• compressor
• pulley

[bbtushar]

doesn't the belt also connect to the alternator?

[CockyRacingGuy]

@bbtushar No, the AC belt doesn't run anything but the AC.

[stiengineer]

so you're just running a smaller belt or none at all?

[CockyRacingGuy]

No belt at all.

[stiengineer]

did you replace just the clutch or the compressor too?

[CockyRacingGuy]

@stiengineer

Neither. I cut the belt off. Not much use for the AC since I live in Canada and drive my Miata most of the summer.

[lineartechbd1600]

all you need is a pulley bearing. luckily for you , you can remove the end plate of the pulley without removing the compressor. i just did mine and it only cost me twenty bucks for the bearing. basically you just remove a ten mm screw that holds the cap on then remove a retaining ring then pull off the pulley. the bearing is in the pulley. borrow a free puller from autozone if y ou can't pull the pulley off by hand.

[delfindle]

Thank you for posting this. It was the key to solving the same issue I was having on my 2007 2.0L.

[lxe0737]

I had already changed the AC clutch , and my car engine was very smooth but the noise came back after a month. Now, im assuming there's something wrong with the compressor. I'll see if my mechanic can bypass the compressor.

[lxe0737]

that's the exact sound my mazda6 is making. do you know if it's possible to bypass the ac compressor pulley?

[dinko1x]

This is exactly what is happened to mine. Going to cost me over $800.00 to get it fixed. My bearing seized up though. Smoke and sparks flying all over the place. The clutch/bearing is all that is going to be replaced right now. Hopefully, that is all otherwise it will be another $550.00 dollars for the compressor too. Total price if both have to replaced - around $1200.00!!!