TSB Document:


Supersedes Technical Service Bulletin Group 87 number 15-68 dated August 21, 2015. The air conditioning does not cool, or the cooling performance is very weak. The air conditioning system cools, but the compressor is noisy. The noise is characterized as a grinding or groaning noise. Either symptom may be intermittent. No DTCs are stored. This condition is most likely caused by a faulty N280 valve. The internal components of the valve can be obstructed and incapable of full function. This loss of refrigerant regulation from N280 can cause noise from the A/C compressor and/or affect the HVAC cooling. Denso A/C compressors are currently being installed in production. An improved N280 valve for the Sanden A/C compressor is now available as a replacement part (5Q0 260 839 A). Replacement of the entire A/C compressor is not necessary in most cases.

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Date Published
OCT 14, 2015
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