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Compressor type

Help, Advice, Owners' Discussion and DIY Tutorials for the groundbreaking new Volvo S60 2011+, V60 and XC60.
2013S60
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Compressor type

Post by 2013S60 » Fri Jul 26, 2019 7:25 pm

Having some ac issues. I’ve read tons about the typical clutch gap thing. Mine doesn’t seem to be doing that. Last Summer it just seemed to suddenly start taking 5-10 minutes to blow cold air. It’s hard to see but from what I can see, the clutch appears to be engaged. When it does blow cold, it doesn’t seem as cold as it should be. I have an older set of R22 gauges, and some cheapie adaptors. I’m not real confident On the accuracy of the gauges. Suction pressure is 62, high side pressure is 150. If I press on the accelerator it seems to speed the cooling process up somewhat. When it’s mild out, the ac runs fine once it starts blowing cold. When it’s hot out, it seems like it will start blowing warm when I get stuck in traffic or at idle until I accelerate again. I’ve read some have variable displacement compressors with solenoids. I’ve read some symptoms with those that mimic mine. I guess my question is, would a 2013 t5 S60 have the variable displacement compressor? I’ve looked at several images of compressors online and the clutch looks different than mine does but again, it’s so hard to see mine. I have dumped my charge, pulled a vacuum and recharged to proper level. So I’ve ruled over/undercharge out.



jlh3rd
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Re: Compressor type

Post by jlh3rd » Sat Jul 27, 2019 5:34 am

I'm assuming( i hate that word) that you have no leaks. Hi/ low side pressures are outside temp. dependent and you didn't say what that was....or what the mileage is...but i'd guess ( assume) that the low readings are high and the high side is low......also, working better in milder temps also, assuming everything else is normal, i'd say the compressor is weak.
I don't know what difference a variable vane compressor makes but if yours is bad, it's bad.
I'd have a little concern using r22 hoses as residual oil from r 22 could still contaminate the 134a system....but , i'm assuming it did not.....



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Re: Compressor type

Post by jimmy57 » Sat Jul 27, 2019 8:29 am

your 2013 S60 has the variable displacement version compressor. When the solenoid controlling the crankcase pressure on the compressor (the way the displacement is changed on that compressor with hinged swash plate) gets wear in the bore where the armature/control valve moves then it may not be able to control for full piston stroke and high output. On a hot dallas day the pressures would be 200+ and low side 45 wish and when you hold engine at fast idle (1200 rpm or a little more) the high would be 225+ and low 35-40 until the vehicle interior cools. The solenoid can be purchased separately but if the car has 100K miles or more it might be better to replace compressor. The compressor solenoid is $150 and requires system be evacuated and recharged. A new compressor in an aftermarket brand is $300 or so. Then there is labor. The labor is going to be similar as I think the compressor has to be removed from engine and turned to get the solenoid replaced and you are spending about the same time doing that as removing and replacing it. Your solenoid is sticking fully as the no motion solenoid pressures are 125 high and 100 low if the compressor is in minimum displacement. The compressor could have failed check valves or scored cylinders and not be pumping enough and solenoid doing exactly as it is supposed to. Volvo dealers will change the solenoid under warranty when they have to but higher mile cars get new compressors for this problem to assure a fix.



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Re: Compressor type

Post by 2013S60 » Sat Jul 27, 2019 4:15 pm

Mileage is 72k. I’m handy enough that doing some mechanical things doesn’t scare me, but there is so little room to work with on this that I’d likely have someone swap it out. I was curious about the solenoid in that if it was accessible enough to change without pulling the compressor. Apparently not. If that’s the case, I’d just have the compressor changed to new while it’s out. I’m curious if anyone had a link to the actual compressor I need since the ones I’ve found online don’t seem to “look” like the one I have.



2013S60
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Re: Compressor type

Post by 2013S60 » Sat Jul 27, 2019 5:04 pm

Every compressor I see on the internet that is for an S60 shows the clutch assembly with the grooves for the drive belt. It’s real cramped to be sure, but mine has the main drive belt and I swear there is a smaller belt between it and the compressor itself. I hate to sound dumb, but it just looks different than what I see on the internet.



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Re: Compressor type

Post by 2013S60 » Sat Jul 27, 2019 6:01 pm

Image
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2013S60
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Re: Compressor type

Post by 2013S60 » Sat Jul 27, 2019 8:44 pm

Ok, a bit more. The pictures show what I thought was the pulley that drives the compressor. Apparently not. I can’t see anything, so I started feeling around. The pulley with the serpentine belt on the front and smaller belt on the back apparently drives the compressor pulley with that smaller belt. All this time, I had thought that was the compressor. I just can’t find anything online showing multiple belts like that. I can’t find any type of parts listing for the smaller belt, any picture I find of a serpentine belt routing doesn’t show it. This really has nothing to do with my ac isn’t running correctly, it just kind of makes me nutty that I can’t find anything showing this. :)



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Re: Compressor type

Post by 2013S60 » Sat Jul 27, 2019 9:10 pm

Ok, finally found something. This is from an XC60 Hanes manual but I’m assuming it’s the same for an s60, or at least mine anyway. What’s in those pictures is the transfer pulley. Diagram in the top left of the attachment.
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jlh3rd
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Re: Compressor type

Post by jlh3rd » Sun Jul 28, 2019 5:59 am

I have a 2012 T5 and it appears i also have a separate belt for the compressor. I have vida/dice and wonder if it would show me anything.
Anyway, rockauto shows compressors with 6 rib, 5 rib, and 3 rib pulleys. Doesn't help much. I suspect mine is a 3 rib as it does look narrower.
Maybe go to a volvo dealership and get a part number from them.
I also think it is a stretch belt and my limited experience with those is that it sucks getting them on, even with the tool.



2013S60
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Re: Compressor type

Post by 2013S60 » Sun Jul 28, 2019 8:10 am

I’m positive it’s a 3 groove pulley. On most of the new compressors I’m seeing, they are 5 groove. The salvage ones on eBay etc and rebuilt ones all look to be 3 groove. That control solenoid looks to be pointing up and towards back at a 45 degree angle so I’m assuming the only way to get it out is to remove the compressor.



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