Intake Manifold: Installation

If the manifold is being replaced, ensure all the fitting, etc. are transferred to the replacement manifold.

1. Install a new engine exhaust/intake manifold gasket over the alignment dowels on the cylinder head.
2. Position the engine exhaust manifolds to the cylinder head. Install fastener Number 3 and finger tighten at this time (Figure).
3. Install intake manifold on the cylinder head dowels.
4. Install washer and fastener Numbers 1, 2, 4, 5, 8, 9, 10 and 11 (Figure).
5. Install washer and fastener Numbers 6 and 7 (Figure).
6. Tighten the fasteners in sequence and to the specified torque (Figure).
   • Fastener Numbers 1 through 5-Tighten to 33 N.m (24 ft. lbs.) torque.
   • Fastener Numbers 6 and 7-Tighten to 31 N.m (23 ft. lbs.) torque.
   • Fastener Numbers 8 through 11-Tighten to 33 N.m (24 ft. lbs.) torque.
7. Install the power steering pump to the intake manifold.
8. Install the accessory drive belt (Refer to DRIVE BELTS - INSTALLATION ).
9. Install the fuel system supply line to the fuel rail assembly.
10. Connect all electrical connections on the intake manifold.
11. Connect the vacuum hoses previously removed.
12. Install throttle cable, vehicle speed control cable (if equipped).
13. Install the transmission line pressure cable (if equipped) (Refer to AUTOMATIC - AW4/THROTTLE VALVE CABLE - INSTALLATION ).
14. Install air cleaner assembly.
15. Connect air inlet hose to the resonator assembly.
16. Raise the vehicle.
17. Connect the exhaust pipes to the engine exhaust manifolds. Tighten the bolts to 31 N.m (23 ft. lbs.)
18. Lower the vehicle.
19. Connect the battery negative cable.
20. Start the engine and check for leaks.