Remove the ignition coil bolts.
Remove the ignition coils.
Remove the left camshaft cover bolts.Remove and discard the camshaft cover grommets and camshaftcover bolts if they are serviced with the grommet.
Remove the left camshaft cover from the left cylinderhead.
#PIT5236: Diagnostic Tip: OnStar Module Does Not Support All B101D Symptom Codes - (Oct 3, 2013)
Subject:Diagnostic Tip: OnStar Module Does Not Support All B101D Symptom CodesModels: 2011 - 2014 All GM Passenger Car and Light Duty Trucks with RPO UE1(Except 2011-2013 Chevrolet Corvette, 2011-2012 Chevrolet Colorado, 2011-2012 GMCCanyon)The following diagnosis might be helpful if the vehicle ex ...