Quote:
Originally Posted by joemosfet
Plus, I don't understand what the AFM system has to do with the PCV system...
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If you had a 2009 GM 5.3 you would. The defect was interrelated as explained to me by the GM folks. The pvc pickup to the intake is in the valley cover with the afm solenoids. Trucks without the AFM, 6.2, did not suffer the oil burn etc...and did not get the repair. 5.3s before AFM did not have the issue.