- Install the cylinder block-to-cylinder head alignment dowels.
- Install the NEW front oil gallery expansion plug.
- Ensure the NEW front oil gallery expansion plug is installed to the proper depth.
- Install the cylinder block-to-transmission alignment dowels.
- Apply the RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent on
the NEW coolant expansion plugs.
- Install the NEW coolant expansion plugs.
- Ensure the NEW coolant expansion plugs are installed to the proper depth.
- Apply thread sealant GM P/N 12346004 (Canadian P/N 10953480)
or equivalent on the threads of the M20 left side oil gallery threaded plug.
Notice: Refer to Fastener Notice in the Preface section.
- Install the M20 left side oil gallery threaded plug.
Tighten
Tighten the M20 left side oil gallery threaded plug to 31 N·m (23 lb ft).
- Apply thread sealant GM P/N 12346004 (Canadian P/N 10953480)
or equivalent on the threads of the M14 left side coolant drain threaded plug.
- Install the M14 left side coolant drain threaded plug.
Tighten
Tighten the M14 left side coolant drain threaded plug to 31 N·m (23 lb ft).
- Apply thread sealant GM P/N 12346004 (Canadian P/N 10953480)
or equivalent on the threads of the M14 rear oil gallery threaded plug.
- Install the M14 rear oil gallery threaded plug.
Tighten
Tighten the M14 rear oil gallery threaded plug to 31 N·m (23 lb ft).
- Apply thread sealant GM P/N 12346004 (Canadian P/N 10953480)
or equivalent on the threads of the M14 right side coolant drain threaded plug.
- Install the M14 right side coolant drain threaded plug.
Tighten
Tighten the M14 right side coolant drain threaded plug to 31 N·m (23 lb ft).
- Apply thread sealant GM P/N 12346004 (Canadian P/N 10953480)
or equivalent on the threads of the M14 right side oil gallery threaded plug.
- Install the M14 right side oil gallery threaded plug.
Tighten
Tighten the M14 right side oil gallery threaded plug to 31 N·m (23 lb ft).
- Install the cylinder block-to-oil pan alignment dowels.
- Install the NEW right front oil pan rail oil gallery expansion plug.
- Ensure the NEW right front oil pan rail oil gallery expansion plug is installed to the proper depth.
- Install the oil jets.
- Install the oil jet bolts.
Tighten
Tighten the oil jet bolts to 10 N·m (89 lb in).
- Install the NEW O-ring on the crankshaft position sensor, if damaged.
- Position the crankshaft position sensor into the cylinder block.
- Install the crankshaft position sensor bolt.
Tighten
Tighten the crankshaft position sensor bolt to 10 N·m (89 lb in).
- Position the right knock sensor to the cylinder block, as shown.
- Install the right knock sensor bolt.
Tighten
Tighten the right knock sensor bolt to 23 N·m (17 lb ft).
- Ensure proper right knock sensor orientation.
- Position the left knock sensor to the cylinder block, as shown.
- Install the left knock sensor bolt.
Tighten
Tighten the left knock sensor bolt to 23 N·m (17 lb ft).
- Ensure the proper left knock sensor orientation.
- Install the block heater cartridge, if equipped.