Having lifter problems on your GM V8 engine? In this video, I’ll show you step-by-step how to remove the cylinder head and replace the failed AFM/DOD lifters on a GMC Sierra — a process that applies to most GM V8 engines including the 5.3L, 6.0L, and 6.2L (LS-based) engines with Active Fuel Management.
This DIY repair is ideal for anyone looking to fix:
• Lifter tick
• Misfire on cylinder 1, 4, 6, or 7
• AFM/DOD-related failure
• Engine knocking on startup
Whether you’re working on a Silverado, Sierra, Suburban, Tahoe, Yukon, or Escalade, this repair video covers everything you need:
Tools required
Torque specs
Disassembly order
Lifter tray access
Helpful tips for reassembly
')){kind=link}
6.0s don't have DOD/AFM