Terraza AWD V6-3.5L VIN L (2006)
1. Important: Apply sealant GM P/N 12378521 (Canadian P/N 88901148) or equivalent, at the cylinder head to the lower intake manifold joint.
Apply sealant at the cylinder head to the lower intake manifold joints (1).
2. Install a new gasket to the valve rocker arm cover. Ensure that the gasket is properly seated in the groove of the valve rocker arm cover.
3. Install the valve rocker cover.
4. Notice: Refer to Fastener Notice.
Important: Use an alternating crisscross pattern when tightening the valve rocker cover bolts. Failure to do so may result in oil leakage from the
valve cover due to improper seating of the gasket.
Install the valve rocker arm cover bolts.
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Tighten the bolts to 10 Nm (89 inch lbs.).
5. Connect the PCV valve vacuum line.
6. Install the thermostat bypass pipe.
7. Install the front ignition wire harness.
8. Refill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (Vac-N-Fill).
