Equipment: appliance: air conditioner
Chevrolet technical service bulletin PIT4669D for 2009-2011 Chevrolet Silverado 1500, 2008-2013 Chevrolet Tahoe and 2008-2013 GMC Yukon and others.
- Bulletin number
- PIT4669D
- Component
- Equipment: appliance: air conditioner
- Summary
- This Preliminary Information communication informs the technician Polyalkylene Glycol is not compatible with the Hybrid Polyester oil. When vehicles with Hybrid Air Conditioning system have been injected with any commercially available Ultra Violet dye the system should be flushed of all system oil. Most ultra violet dyes contain Polyalkylene Glycol oil.
Vehicles covered
- Chevrolet Silverado 1500 2009-2011 200920102011
- Chevrolet Tahoe 2008-2013 200820092010201120122013
- GMC Yukon 2008-2013 200820092010201120122013
- Chevrolet Silverado 2500 2009-2013 20092010201120122013
- GMC Yukon XL 2008-2013 200820092010201120122013
- GMC Sierra 2500 2009-2013 20092010201120122013
- Cadillac Escalade 2009-2013 20092010201120122013
- Chevrolet Silverado 3500 2013 2013
- GMC Yukon Denali 2008-2013 200820092010201120122013
- Cadillac Escalade ESV 2009-2013 20092010201120122013
- GMC Yukon Denali XL 2008-2013 200820092010201120122013
- GMC Sierra Denali 2009-2013 20092010201120122013
- Cadillac Escalade EXT 2009-2013 20092010201120122013
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