Cylinder Block Refacing

CYLINDER BLOCK REFACING





1. Prior to removing the piston and connecting rod assemblies, measure and record piston protrusion. Piston protrusion (A) must be with in 0.151 - 0485 mm (0.006 - 0.019 in.). Measuring piston protrusion prior to disassembly will aid in determining if the cylinder block, if required, can be resurfaced.
2. Measure the overall flatness of the engine block.
3. The engine block must be within 0.076 mm (0.003 in) end-to-end and 0.051 mm (.002 in.) side-to-side.
4. Inspect for any localized dips or imperfections. If present, the cylinder head deck MUST be resurfaced. NOTE: The combustion deck of the block can ONLY be resurfaced if after the resurface, the correct piston protrusion can be achieved.
No specific head gasket with an increased thickness is available for combustion deck resurfacing. If the combustion deck can NOT be resurfaced such that the correct piston protrusion an be reached, the cylinder block MUST be replaced.