C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

A/C issues. Need advice please!

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Old May 30, 2012 | 08:18 AM
  #1  
SteveL1's Avatar
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From: ST. Louis, MO
'16 SL550, '18 Porsche Macan GTS
A/C issues. Need advice please!

Had the coolant fan replaced yesterday as it died and noticed on the way home that the A/C takes a while to get cold and also seemed to cut out every once in a while. Never got really cold even though the controls were set to the lowest temp. Also noticed an intermitent high pitched hissing kind of sound that only lasted about 3-4 seconds each time it happened. Kind of like the compressor is cyclying on and off.

Car has 104,000 miles on it so I'm wondering if it's time to rechrage the system and if getting the highly advertised AC Pro kit for around $45 would be a good start?
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Old May 30, 2012 | 10:52 AM
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LILBENZ230's Avatar
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2019 G70 6MT & 2022 Ford Maverick XL
Have you recharged a system before? I have heard you can really mess it up if you get it wrong.. not sure I'd risk it.
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Old May 30, 2012 | 01:14 PM
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From: Vancouver, BC
2002 C240
I would suggest you have the AC system & R-134a refrigerant level checked over by a reputable AC shop. As "LILBENZ230" mentioned, you could do more harm than good.
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Old May 30, 2012 | 06:02 PM
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From: cincy-oh
02 S500
i just recharged mine and it is not difficult if you follow the instructions. air comes cold again
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