Cleaning Procedure
WARNING: This page is about a different variant/trim than selected.
- Remove any old thread sealant and gasket material or sealant.
- Clean all the following areas with solvent:
- Sealing surfaces
- Oil passages
- Bearing journals
- Clean all threaded and through holes with solvent.
- Prior to the application of RTV sealant GM P/N 12378521 (Canadian P/N 88901148) or equivalent to the engine block seal groove clean the groove and mating surfaces of the upper engine block and the mating surface of the lower crankcase with cleaner solvent GM P/N 12378392 or 12346139 (Canadian P/N 88901247).
- Dry the lower engine block with compressed air.
CAUTION:
Refer to SAFETY GLASSES CAUTION
.