Lucerne V8-4.6L (2008)
3. Ensure the oil drain-back hole (1) is clear of debris using a wire or an unbound plastic tie wrap (2).
Important: In order to ensure proper bonding of the sealant the bore must be clean and dry.
4. Clean the bore in the block with cleaner solvent GM P/N 12378392 or 12346139 (Canadian P/N 88901247).
