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Home >> Toyota >> 1998 >> Avalon XLS >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission Overhaul - A-540E, A-540H & A-541E >> Overhaul >> Front Planetary Gear Disassembly & Reassembly >> Inspection

Front Planetary Gear Disassembly & Reassembly: Inspection

  1. Measure inside diameter of both sun gear bushings. Maximum inside diameter is .889" (22.59 mm) for A-540E and A-541E transaxles or. 870" (22.09 mm) for A-540H transaxle. If inside diameter exceeds specification, replace sun gear. Measure inside diameter of ring gear flange bushing. Maximum inside diameter is 1.184" (30.08 mm) for A-540E and A-541E transaxles or .752" (19.10 mm) for A-540H transaxle. If inside diameter exceeds specification, replace flange.
  2. Measure planetary pinion gear thrust clearance. Standard clearance is .006-.022" (.16-.56 mm) for A-540E and A-541E transaxles or .008-.020" (.20-.50 mm) for A-540H transaxle. See Figure. Maximum clearance is .024" (.61 mm) for all transaxles. If clearance exceeds specification, replace planetary gear assembly.
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