Installation

Lower Intake Installation

Install or Connect






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






2. RTV to the front and rear sealing surfaces on the block. Apply a 5 mm (3/16 inch) bead of RTV GM P/N 1052366 or equivalent to the front and rear of the block. Extend the bear 13 mm (1/2 inch) up each cylinder head to seal and retain the gaskets.
3. Lower intake manifold to engine.
- Apply sealer, GM P/N 1052080 or equivalent, to the lower intake manifold bolts.
4. Lower intake manifold bolts.






Tighten
- Bolts in three steps using the sequence shown.
- The first sequence to 8 Nm (71 lb. in.)
- The second sequence to 12 Nm (106 lb. in.)
- The final sequence to 15 Nm (11 lb. ft.)

5. Wiring harness connectors and brackets.
6. Upper radiator hose at thermostat housing.
7. Heater hose at lower intake manifold.
8. Coolant by pass hose.
9. EGR valve.
10. Valve rocker arm cover.
11. Fuel supply and return lines at rear of lower intake manifold.
12. Wiring harness and brackets.
13. Cruise control cable.
14. Throttle cable and bracket.
15. Transmission oil level indicator tube.
16. EGR inlet tube, clamp and bolt.
17. PCV valve and vacuum tube.
18. Power brake vacuum tube.
19. Generator and bracket bolt, (if needed).
20. Air conditioning compressor and bracket.
21. Distributor.
- Note the relationship of the distributor housing and rotor made at disassembly.