Intake Manifold Complete
This article has been updated with TSB# 436108a.
REMOVE OR DISCONNECT
1. Negative battery cable.
2. Fuel injector sight shield and air intake duct.
Spark Plug Wiring Harness (Front):
Spark Plug Wiring Harness (Rear):
3. Spark plug wires on right side of engine and set aside.
4. Fuel rail.
5. Exhaust crossover heat shield.
Cable Bracket To Throttle Body:
6. Cable bracket to cylinder head mounting bolt.
7. Power steering pump support bracket.
8. Loosen generator and move to obtain clearance.
Ignition Coils And Ignition Control Module Assembly:
9. Generator bracket.
10. Heater pipes.
11. Bypass hose.
Fig. 3 Upper & Lower Intake Manifolds:
Throttle Body To Intake Manifold:
12. Intake manifold bolts and manifold.
IMPORTANT: To complete installation, observe the following assembly tips.
^ Clean the cylinder block, heads and intake manifold sealing surface of all oil with a suitable solvent.
^ Apply sealer GM P/N 12345336 or equivalent to the ends of the manifold seals.
^ Clean the intake manifold bolts and bolt holes of adhesive compound.
^ Apply thread lock compound GM P/N 12345493 or equivalent to the intake manifold bolt threads before assembly.
INSTALL OR CONNECT
Fig. 3 Upper & Lower Intake Manifolds:
Throttle Body To Intake Manifold:
1. Intake manifold
TIGHTEN
- Manifold bolts twice to 15 Nm (11 lb. ft.) following the sequence.
2. Bypass hose.
3. Heater pipes.
Ignition Coils And Ignition Control Module Assembly:
4. Generator bracket.
5. Generator.
6. Power steering pump support bracket.
Cable Bracket To Throttle Body:
7. Cable bracket to cylinder head mounting bolt.
8. Exhaust crossover heat shield.
9. Fuel rail.
Spark Plug Wiring Harness (Front):
Spark Plug Wiring Harness (Rear):
10. Spark plug wires.
11. Fuel injector sight shield and air intake duct.
12. Negative battery cable.