Gm: there are harsh or delayed shifts at various operating times
GMC technical service bulletin 09-07-30-004C for 2007-2009 GMC Yukon, 2008-2009 GMC Yukon XL and 2007-2009 GMC Yukon Denali and others.
- Bulletin number
- 09-07-30-004C
- Component
- Power train: automatic transmission
- Summary
- Gm: there are harsh or delayed shifts at various operating times. Rm
Owners of these vehicles have filed 52 complaints in the transmission category.
Vehicles covered
- GMC Yukon 2007-2009 200720082009
- GMC Yukon XL 2008-2009 20082009
- GMC Yukon Denali 2007-2009 200720082009
- GMC Yukon Denali XL 2007-2009 200720082009
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