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Old 03-08-2019, 01:07 PM   #1
easy87
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A/C Compressor issue

So I have read that the solenoid is a very common failure point on our a/c systems. I have been having delayed cooling/very intermittent cooling(if ever), and figured this solenoid would be a good place to start. How can I tell if I have a Sanden compressor, or a Denso one? There look to be two different solenoid types, and before venting the A/C, I wanted to make sure I get the right part. Thanks!

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2006 VW GTI
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Old 03-08-2019, 03:30 PM   #2
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Have you looked at the label?? Venting the A/C? I take it you mean to reclaim the refrigerant.
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Old 03-08-2019, 03:33 PM   #3
easy87
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No, do not have time until Monday :(. And yes, reclamation!
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Old 03-08-2019, 04:14 PM   #4
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https://www.uspmotorsports.com/downl...ationGuide.pdf
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Old 03-08-2019, 04:22 PM   #5
easy87
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Man! That is a nice sheet there! If I may be so bold to ask, what did you google to find that?
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Old 03-08-2019, 06:59 PM   #6
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Quote:
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Man! That is a nice sheet there! If I may be so bold to ask, what did you google to find that?
Just knew they had a Pdf for the RCV for A/C.
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Old 03-09-2019, 05:25 AM   #7
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Just in case, I think you can actually see if the solenoid works or not by looking at the compressor duty cycle actual/requested on vcds or using the hidden menu in the climatronic
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Old 05-05-2019, 04:23 AM   #8
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Im having a similar issue on my Mk5, I checked the solenoid plug yesterday and got low voltage (3V) what could be causing low voltage to the Solenoid Valve ? What exact fuse relates to this ?

I got a new Solenoid Valve recently (turned out to be wrong one ) I have a zexel compressor...

Any ideas what could be causing this? I had the engine running and Econ light on/off still no change in the voltage to the plug.

On a related note i got the old solenoid valve out and tested it with a 12V battery, no clicking... the new (wrong) valve was clicking fine so it does look to be a faulty value but im a bit concerned with the low power to the plug.

Also its quite expensive each time to get the system gassed/re-gassed so I'm looking to rule out an electrical issue before i fit the correct solenoid.
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Old 05-27-2019, 06:55 PM   #9
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Quick update so I go the RKX valve in and regassed the system and everything was working fine.

The valve can be fitted easily enough from underneath once you release the fans and move them up. A long nose pliers is needed to remove the retainer clip.



A week later and Im back to warm AC...

After a test a leak was found in my condenser.... so I now have to fit a new condensor... has anyone had any experience fitting one before on the GTI?
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Old 05-28-2019, 03:18 AM   #10
golfballer78
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I took all that shit outta an R32 & run shorter drive belt & never looked back.
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Old 08-07-2019, 07:43 PM   #11
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Originally Posted by golfballer78 View Post
I took all that shit outta an R32 & run shorter drive belt & never looked back.


Do you have an item number? Or the length? I have a MK5 and i want to run a shorter belt since my ac compressor is messed up but idk what belt fits
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Old 08-08-2019, 07:43 AM   #12
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Do you have an item number? Or the length? I have a MK5 and i want to run a shorter belt since my ac compressor is messed up but idk what belt fits
MK5 FSI

Ac delete belt for FSI VW 06f 903 137 L or 06f903137L
Gates K060374
Bando 6pk950

Ac compressor does not need to be removed.

For the R32

VW #022145933AH
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Old 08-08-2019, 09:20 PM   #13
golfballer78
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Quote:
Originally Posted by Razorxx888 View Post
Do you have an item number? Or the length? I have a MK5 and i want to run a shorter belt since my ac compressor is messed up but idk what belt fits
6pk1235 is what I use. Compressor removed.
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Old 08-08-2019, 09:22 PM   #14
golfballer78
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Quote:
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MK5 FSI

Ac delete belt for FSI VW 06f 903 137 L or 06f903137L
Gates K060374
Bando 6pk950

Ac compressor does not need to be removed.

For the R32

VW #022145933AH
Yes it does, itís extra bullshit in the way if u need to remove alternator again. A no need for useless dead weight items, & less accessory to drive/rotation mass.
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