Intake Manifold Upper
INSTALL OR CONNECTNote: This article has been updated with TSB. 43-61-08A.
Protecting Intake Ports From Debris:
1. Lower manifold intake ports should be plugged using clean shop towels before cleaning sealer off mating surfaces.
2. Mating surfaces should not be scraped, sanded or wire brushed in order to remove old sealer. Old sealer should be removed chemically by using any of the various chemical gasket removers available.
Applying Sealant:
3. Apply a 1/16 inch bead of Loctite Instant Gasket Eliminator GM P/N 1052942 or equivalent to lower manifold mating surface. Make sure to circle all bolt holes.
4. Lower upper intake onto lower intake carefully.
Upper And Lower Intake Manifold Assembly:
5. Tighten upper manifold bolts to 29 Nm (21 lbs. ft.).
Throttle Cable Bracket To Throttle Body:
6. Cable bracket to cylinder head mounting bolt.
7. Exhaust heat shield.
8. Fuel rail.
Spark Plug Wiring Harness (Rear):
Spark Plug Wiring Harness (Front):
9. Spark plug wires.
10. Fuel injector sight shield and air intake duct.