FAQ for Valve Lifter Repair
Q: How to remove the valve lifter (LY2 and LY6)?
A:
The proper way is to remove the cylinder head and gasket, the valve lifter guides with the lifters, and the valve lifters from the guide, and clean and inspect the valve lifters.
By BobGM Specialist
02/11/2022 Q: What is the removal procedure for the valve lifter oil filter?
A:
The procedure is to remove the intake manifold, the oil pressure sensor and washer, the valve lifter oil filter, and the valve lifter oil filter O-ring seal.
By BobGM Specialist
02/11/2022 Q: How to install the valve lifter (L92-first design)?
A:
You shall insert the valve lifters into the lifter guides, and install the valve lifters and guide to the engine block, the valve lifter guide bolts, and the cylinder head and gasket.
By BobGM Specialist
02/11/2022 Q: What is the removal procedure for the valve lifter (L92-second design)?
A:
The procedure is to remove the cylinder head and gasket, the valve lifter guide bolts, the valve lifter guides with the lifters, and the valve lifters from the guide.
By BobGM Specialist
02/11/2022 Q: What should be noticed before installing the valve lifter oil manifold?
A:
All gasket surfaces should be free of oil or other foreign material during assembly.
By BobGM Specialist
02/11/2022 Q: What should be learned about before installing the valve lifter (LH6, LMG, LY5, and L76)?
A:
Each of the 4 valve guide assemblies will contain 2 active fuel management valve lifters and 2 non-active fuel management valve lifters.
By BobGM Specialist
02/11/2022 Q: How to install the valve lifter (LY2 and LY6)?
A:
You shall insert the valve lifters into the lifter guides, and install the valve lifters and guide to the engine block, the valve lifter guide bolts, and the cylinder head and gasket.
By BobGM Specialist
02/11/2022 Q: How to remove the valve lifter (L92-first design)?
A:
The proper way is to remove the cylinder head and gasket, the valve lifter guide bolts, the valve lifter guides with the lifters, and the valve lifters from the guide.
By BobGM Specialist
02/11/2022 Q: What should be learned about while removing the valve lifter oil manifold?
A:
You should remove only the outer gasket from the manifold, and must not disassemble any of the internal components of the manifold in an attempt to remove the 8 inner sealing gaskets. If the inner gaskets are cut or damaged, you shall replace the manifold as an assembly.
By BobGM Specialist
02/11/2022 Q: What is the installation procedure for the valve lifter oil filter?
A:
The procedure is to install a new valve lifter oil filter O-ring seal, the new valve lifter oil filter, the oil pressure sensor washer and sensor, and the intake manifold.
By BobGM Specialist
02/11/2022 See more FAQs (7)