Century V6-3100 3.1L VIN M SFI (1998)
1. If removed, install the thermostat.
2. If removed, install the water outlet.
3. Install the water outlet bolts.
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Tighten the water outlet bolts to 25 Nm (18 ft. lbs.).
Notice: Refer to Fastener Notice in Service Precautions.
4. If removed, install the Engine Coolant Temperature (ECT) sensor.
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Tighten the coolant temperature sensor to 23 Nm (17 ft. lbs.).
5. Apply 8-12 mm (0.08-0.11 inch) bead of RTV Sealer, GM P/N 12345739 or equivalent, on each ridge where front and rear of the lower intake
manifold contact the engine block (1).
6. Install the lower intake manifold gaskets.
7. Install the push rods and the valve rocker arms.
8. Install the lower intake manifold.