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OVERDRIVE PISTON ASSEMBLY (1) Install new seals on over drive piston. ing. (3) Position Guide Ring 8114-1 on outer edge of overdrive piston retainer. (4) Position Seal Guide 8114-2 on inner edge of overdrive piston retainer. (5) Install overdrive piston in overdrive piston retainer by: aligning locating lugs on overdrive piston (a) Aligning locating lugs on overdrive piston to the two mating holes in retainer. (b) Lubricate overdrive piston seals with Mopar t Door Ease, or equivalent. (c) Install piston over Seal Guide 8114–2 and inside Guide Ring 8114–1. (d) Push overdrive piston into position in retainer. (e) Verify that the locating lugs entered the lug bores in the retainer. ate shaft. (7) Install overdrive piston thrust plate on over- drive piston. (8) Install overdrive piston thrust bearing on over- drive piston. (9) Install transmission speed sensor and O-ring seal in overdrive case (Fig. 252). CLEANING AND INSPECTION VALVE BODY Clean the valve housings, valves, plugs, springs, and separator plates with a standard parts cleaning Do not immerse any of the electrical components in cleaning solution. Clean the governor solenoid and Dry all except the electrical parts with compressed air. Make sure all passages are clean and free from Wipe the governor pressure sensor and solenoid valve with dry, lint free shop towels only. The O-rings has sustained physical damage (dented, deformed, broken, etc.). CAUTION: Do not turn the small screw at the end Inspect the throttle and manual valve levers and shafts. Do not attempt to straighten a bent shaft or Inspect all of the valve body mating surfaces for scratches, nicks, burrs, or distortion. Use a straight- Fig. 310 Overdrive Piston Thrust Plate Measurement 1 – SPECIAL TOOL 6311 Fig. 311 Overdrive Piston Thrust Plate Selection 21 - 154 42RE AUTOMATIC TRANSMISSION WJ DISASSEMBLY AND ASSEMBLY (Continued) |