Intake Manifold Installation

CAUTION: Applying excessive amounts of sealant may prohibit the intake gasket from sealing properly.





1. Install the gaskets to the cylinder head with the port blocking plates facing the rear of the engine and the "this side up" stamping facing up.





2. Install Row to the front and the rear sealing surfaces on the block.
a. Apply a 15 mm (0.157 inch) bead of RTV GM P/N 12346192, or equivalent, to the front and the rear of the block.
b. Extend the bead 13 mm (0.500 inch) up each cylinder head in order to seal and retain the gaskets.





3. Install the lower intake manifold to the engine.
4. Apply sealer, GM P/N 12345382, or equivalent, to the lower intake manifold bolts.





5. Install the lower intake manifold bolts. Tighten the bolts in sequence.
^ Tighten the first sequence to 3 Nm (26 inch lbs.).
^ Tighten the second sequence to 12 Nm (106 inch lbs.).
^ Tighten the final sequence to 15 Nm (11 ft. lbs.).
6. Install the generator bracket bolt next to the thermostat housing.
7. Connect the coolant bypass hose.
8. Install the EGR valve. Refer to EGR Valve in Engine Controls.
9. Connect the upper radiator hose at the thermostat housing.
10. Connect the heater hose at the lower intake manifold.
11. Connect the fuel supply and the return fines at the rear of the lower intake manifold.
12. Install the ignition coil and bracket.
13. Connect the wiring harness and the brackets.
14. Connect the throttle cable, cruise control cable and the bracket.
15. Install the transmission oil level indicator tube.
16. Install the EGR tube, the clamp, and the bolt.
17. Install the PCV valve and the Vacuum hoses.
18. Install the air conditioning compressor, the bracket, and the accessory drive bracket.
19. Install the distributor. Note the relationship of the distributor housing and the rotor made at disassembly.