Removal (Van)
- Disconnect negative battery cables. Remove engine cover and air cleaner. Disconnect necessary wires and hoses. Remove EGR/EPR switches.
- Remove crankcase depression regulator valve hoses from intake manifold. Remove rear A/C compressor bracket (if equipped).
- Remove fuel filter to intake manifold bracket. Remove vacuum pump. Place a rag or cover over hole to prevent foreign material from entering engine. Remove intake manifold bolts and fuel line clips. Remove intake manifold.
- Install screens (J-29664) in cylinder heads. Remove injection line clips at loom brackets. Raise left side of vehicle.
- Remove injection lines at injection nozzles. Lower vehicle. Remove lines at pump. Tag lines for reassembly reference. Cap open lines.