- Remove the oil filter cap. Remove
the oil pan drain plug and allow the oil to drain out.
- Remove the oil filter from the cap and discard.
- Clean the oil filter housing in the engine block.
Notice: Refer to Fastener Notice in the Preface section.
- Install the oil pan drain plug.
Tighten
Tighten the oil pan drain plug to 25 N·m (18 lb ft).
- Remove the water pump drain plug from the water pump and allow
the coolant to drain from the water jacket.
- Apply sealant GM P/N 12346004 (Canadian P/N 10953480)
or equivalent to the water pump drain plug.
- Install the water pump drain plug.
Tighten
Tighten the water pump drain plug to 20 N·m (15 lb ft).
- If cleaning or repairing the engine block, it is not necessary
to reinstall the plugs.