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Inspect the pump bushing. Then check the reaction shaft support bushing. Replace either bushing only if Inspect the valves and plugs for scratches, burrs, nicks, or scores. Minor surface scratches on steel valves Inspect all the valve and plug bores in the oil pump cover. Use a penlight to view the bore interiors. Replace Trial fit each valve and plug in its bore to check freedom of operation. When clean and dry, the valves ASSEMBLY (1) Clean and inspect all components. Make sure that all passages are thoroughly cleaned and are free and scoring. Replace the oil pump if any excessive (2) Coat the gears with Mopar® ATF +4, type 9602, and install into their original locations. (3) Lubricate the oil pump valves with Mopar® ATF +4, type 9602, and install the valve, spring and (4) Place the separator plate onto the oil pump body (Fig. 90). (5) Install the screws to hold the separator plate onto the oil pump body (Fig. 90). Tighten the screws (6) Position the oil pump cover onto the locating dowels (Fig. 89). (7) Seat the two oil pump halves together and install all bolts finger tight. (8) Torque all bolts down slowly starting in the center and working outward. The correct torque is (9) Verify that the oil pump gears rotate freely and smoothly. (10) Position the reaction shaft support into the oil pump (Fig. 89). Fig. 91 Oil Pump Valve Body 1 - T/C REGULATOR VALVE Fig. 92 T/C Switch Valve 1 - RETAINER 21 - 512 AUTOMATIC TRANSMISSION - 45RFE AN OIL PUMP (Continued) |