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General VW Discussion This is a place for General VW topics (the company, not your vehicle). General topics about a specific vehicle should be posted in the General TDI Dicussion Forum sections for that vehicle platform. A4, A3 & B4, B5, etc.

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Old June 12th, 2019, 05:28   #1
RabbitGTI
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Default 07 Jetta 2.5 AC problem

Takes a while to cool, somewhat intermittent cooling, occasionally pretty cold air from vents (will check vent temps today). This has been going on a while. Pressures with car warm and air temperature of 68 F were 68 low and 105 high. I'm thinking the frequency valve is failing (RCV). Good idea or should I replace the compressor? Thanks.
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Old June 12th, 2019, 06:06   #2
oilhammer
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Yep, RCV. Make sure BOTH fans are operating, too.
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Old June 12th, 2019, 07:02   #3
RabbitGTI
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Thanks, will do.
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Old June 13th, 2019, 17:19   #4
03GolfTDI
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I concur with oilhammer on RCV and fan.

My '06 2.5 one of the fans failed, I really only noticed it because the other one ran at full tilt to try to keep up - this was just under 70k miles it went bad.
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