Cylinder Block - Clean/Inspect

1. Sealing material from all mating surfaces.

CAUTION: Caustic cleaning solution destroys the bearing material. All bearings left in block must be replaced after cleaning with caustic solution. Do not clean bearing material or aluminum parts with caustic solutions.

2. Boil cylinder block in caustic solution and flush with clean water or steam.
3. Oil passages.
4. All blind holes.
5. Spray or wipe cylinder bores and machined surfaces with clean oil.
6. Inspect cylinder block for cracks in the cylinder walls, coolant passages and main bearing webs. Replace as necessary.