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My 2001 Honda CRV is blowing cold air in the front seat, but in the middle of the summer in the back seat, it's not very cool. If the A/C Clutch isn't engaging, will the A/C still blow somewhat cold? I don't hear it clicking on (unable to visually see it). I'd have to recheck the refrigerant levels too.

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No. It wont cool without the clutch engaged. That is how it pumps and therefore cools the refrigerant. (someone correct me if I'm wrong) -- If you can see the belt on your engine, you should be able to see the clutch. You can tell if its engaged by looking at the disk inside the A/C compressor pully. If it rotates, its engaged.

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  • +1 You are correct. The AC clutch is what tells the compressor to start/stop operations. – Dalton D Jun 28 '16 at 15:30
  • Thanks. So I can rule out the compressor being the problem if the air is cool just not really cool enough? Likely needs a recharging. – xhermit Jun 28 '16 at 17:07
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    @xhermit I would say LOUDLY, that it looks like you need to invest in some gauges so you can see both the high and low pressures of your refrigerant system. And, I'd add a Chilton or Haynes service manual to your purchase list. Then you could follow the "Air Conditioning" troubleshooting guide step 1 thru X, and you'd know exactly what's going on. (Note: there are a whole lot of things that can cause poor A/C performance. Too much refrigerant, too little refrigerant, wrong clutch air gap, bad control valving, etc...) Get the manual, follow a systemic troubleshooting method. Think smarter. – zipzit Jun 28 '16 at 17:15
  • Yeah definitely using a manifold set and I don't go blindly charging systems unless I know what's going on. – xhermit Jun 28 '16 at 17:16

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