Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Engine Block Assemble
- Install the drain plug in the water pump.
- Apply gasket paste GM P/N United States 12346004, GM P/N Canada 10953480 to the plug before installation.
- Install the coolant jacket plugs.
Tighten
Tighten the coolant jacket plug to 35 N.m (26 lb ft).
- Install the rear oil passage plugs.
- Apply gasket paste GM P/N United States 12346004, GM P/N Canada 10953480 to the plugs before installation.
Tighten
Tighten the oil passage plug to 60 N.m (44 lb ft).
- Install the other oil passage plugs.
- Apply gasket paste GM P/N United States 12346004, GM P/N Canada 10953480 to the plug before installation.
Tighten
Tighten the oil passage plugs to 35 N.m (26 lb ft).
- Lubricate the crankshaft position sensor O-ring with engine oil.
- Install the crankshaft position sensor and bolt.
Tighten
Tighten the crankshaft position sensor bolt to 10 N.m (89 lb in).
- Install the oil pressure switch.
Tighten
Tighten the oil pressure switch to 10 N.m (89 lb in).
- Install the knock sensor and bolt.
Tighten
Tighten the knock sensor bolt to 25 N.m (18 lb ft).
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.