![CarComplaints.com Seal Of This Might Hurt](http://cdn2.carcomplaints.com/img/seals/bad.png)
Chevrolet TSB #PIT3033B
2006 Chevrolet Trailblazer
Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
- Summary
- This Preliminary Information communication provides information to the technician that the Cam gear alignment can be incorrect after replacing the HVAC mode actuator.