Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

53. Engine Block Assemble



Engine Block Assemble




1. Install the drain plug in the water pump.
2. Apply GM P/N 12346004 (Canadian P/N 10953480), or equivalent, to the plug before installation.

Notice: Refer to Fastener Notice.

3. Install the coolant jacket plugs.

Tighten the coolant jacket plug to 35 N.m (26 lb ft).

4. Install the rear oil passage plugs.
5. Apply GM P/N 12346004 (Canadian P/N 10953480), or equivalent, to the plugs before installation.

Tighten the oil passage plug to 60 N.m (44 lb ft).

6. Install the other oil passage plugs.
7. Apply GM P/N 12346004 (Canadian P/N 10953480), or equivalent, to the plug before installation.

Tighten the oil passage plugs to 35 N.m (26 lb ft).




8. Lubricate the crankshaft position (CKP) sensor O-ring with clean engine oil.
9. Install the CKP sensor and bolt.

Tighten the CKP sensor bolt to 10 N.m (89 lb in).




10. Install the oil pressure switch.

Tighten the oil pressure switch to 26 N.m (19 lb ft).




11. Install the knock sensors and bolts.

Tighten the knock sensor bolts to 25 N.m (18 lb ft).




12. Install the piston oil squirters.
13. Install the piston oil squirter bolts.

Tighten the piston oil squirter bolts to 15 N.m (11 lb ft).