On a 2009 Escalade, 2008-09 Avalanche, Silverado, Suburban, Tahoe, Â Sierra, or Yukon equipped with Magna transfer case RPO NQF, NQH or NQG, a customer may comment on transmission slipping or surging, transmission fluid low or a leak out of the transmission vent. The transfer case may be overfull.
These concerns may be caused by the transfer case input seal allowing fluid to migrate out of the transmission into the transfer case (fig. 27).
If the vehicle has transmission concerns such as slipping or surging and this is a repeat transmission concern, or there is a fluid leak from the shared vent, inspect and if necessary replace the transfer case input shaft seal.
- Thanks to Chuck Krepp
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