Cylinder Block Repair
CAST IRON POROSITY DEFECTSCAUTION:
^ Do not attempt to repair cracks.
^ Do not attempt to repair areas where temperature will exceed 260°C (500°F).
^ Do not attempt to repair areas exposed to engine coolant or oil.
Repair porosity defects with an epoxy sealer such as Devcon Aluminum Liquid F2 or equivalent meeting Ford Manufacturing Standard M3D35-A (E).
1 Clean the surface to be repaired to a bright, oil free, metal surface.
2 Chamfer or undercut the repair area to a greater depth than the rest of the cleaned surface. Solid metal must surround the area to be repaired.
3 Apply the epoxy sealer and heat-cure with a 250 watt lamp placed 254 mm (10 inches) from the repaired surface or air dry for 10-12 hours at a temperature above 10°C (50°F).
4 Sand or grind repaired area to blend with the general contour of the surface.
5 Paint the surface to match the rest of the cylinder block.