Parts Man1 —– wrong – not rare camshafts happens in about 50% of the failures. remember GM under powertrain only replaces 1 bank of lifters (8) not all 16 as every engine builder has been taught to ...

My 2018 Silverado Z-71 LTZ 6.2 L with 170,000 miles is beginning to have lifter issues in cylinder number 4. I was originally told by the dealer that it was the exhaust manifold gasket. I won several ...