Valve Lifter Oil Manifold Removal
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Do not lift the manifold by the electrical lead frame.
- Remove the valve lifter oil manifold bolts (506).
- Remove the valve lifter oil manifold (451).
- Identify the 8 gasket retaining strap locations (1-8).
- Using a wire-cutter type tool, cut the 8 retaining straps.
- Remove the outer gasket (556) from the manifold.
IMPORTANT:
Do not allow dirt or debris to enter the oil passages of the manifold. Plug, as required.
IMPORTANT:
Remove only the outer gasket from the manifold. Do 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, replace the manifold as an assembly. Only use a wire-cutter type tool in order to minimize the amount of debris. Do not use a rotary-type cutting tool on the retaining straps.