The biggest difference between L86s and L87s is that L86s have occasional complaints and 28,000 L87 failures happened before GM recalled 600,000 trucks in the U.S. alone. The 2014-2018 L86 and ...

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 ...