Intake Manifold: Service and Repair

Fig. 9 Intake Manifold Tightening Sequence:

Fig. 10 Fuel Injector Line Installation:

Van
1. Disconnect batteries, then remove engine cover.
2. Remove air cleaner assembly.
3. Disconnect necessary electrical connectors and hoses, and remove EGR/EPR switches.
4. Remove crankcase depression regulator valve hoses from intake manifold.
5. If equipped with A/C, remove rear compressor bracket.
6. Remove fuel filter to intake manifold bracket.
7. Remove vacuum pump. After removal, place a rag or cover over hole to prevent foreign material from entering engine.
8. Remove intake manifold bolts and fuel line clips, then remove intake manifold.
9. Reverse procedure to install. Refer to Fig. 9 for bolt torque and tightening sequence, and Fig. 10 for fuel line installation.