|
|
INTAKE MANIFOLD—LOWER REMOVAL (1) Disconnect negative cable from auxiliary jumper terminal (Fig. 44). WARNING: RELEASE FUEL SYSTEM PRESSURE (2) Release fuel system pressure. Refer to Group 14, Fuel System for procedure. WARNING: WRAP SHOP TOWELS AROUND HOSE (3) Disconnect fuel supply tube from rail. Refer to Group 14, Fuel System for procedure. (4) Remove upper intake manifold. Refer to proce- dure in this section. (5) Disconnect electrical connectors from fuel injec- tors. (6) Remove bolts holding fuel rail (Fig. 45). under each fuel rail bolt (Fig. 46). (8) Remove lower intake manifold attaching bolts. Remove intake manifold (Fig. 47). INSTALLATION (1) Install new intake manifold gaskets (Fig. 47). nuts (Fig. 47). (3) Tighten the intake manifold mounting nuts (Fig. 48) one bank after the other by using the fol- • Tighten nuts “R” to 6.4 N·m (56 in. lbs.) • Tighten nuts “L” to 21 N·m (185 in. lbs.) • Tighten nuts “R” to 21 N·m (185 in. lbs.) • Tighten nuts “L” again to 21 N·m (185 in. lbs.) • Tighten nuts “R” again to 21 N·m (185 in. lbs.) O-ring on the nozzle end of each injector. (5) Insert fuel injector nozzles into openings in intake manifold. Seat the injectors in place. Tighten (6) Attach electrical connectors to fuel injectors. Group 14, Fuel System for procedure. (8) Install upper intake manifold. Refer to proce- dure in this section. (9) Connect negative cable to auxiliary jumper ter- minal. Fig. 44 Auxiliary Jumper Terminal 1 – AUXILIARY JUMPER TERMINAL Fig. 45 Fuel Rail Attachment 1 – FUEL RAIL BOLTS Fig. 46 Fuel Rail Spacers 1 – FUEL RAIL SPACERS JX ENGINE 9 - 29 REMOVAL AND INSTALLATION (Continued) |