- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 50 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 56 days ago
- February 7: GM Power Tailgate Recall Involves Chevrolet and GMC Trucks recalls | 82 days ago
- February 4: GMC 'Shift to Park' Lawsuit Dismissed news | 85 days ago
GMC TSB #PIT4669D
2011 GMC Yukon
TSB Document:
Affected 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.
Click a tab for more information.