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P3 Planetary Carrier Assembly: Inspection

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  1. Check end play between P3 planetary carrier and a thrust washer at each pinion gear, using a feeler gauge. See Figure and Fig 1 . Compare measurements to specifications. See REAR COVER MODULE SPECIFICATIONS  table under TRANSMISSION SPECIFICATIONS. If end play exceeds specification, replace P3 planetary carrier assembly.
  2. If equipped with a parking pawl, for each planetary carrier assembly tooth, place a straightedge against side of carrier assembly tooth. Measure wear on carrier assembly tooth (dimension "A"). See Fig 2. Compare measurements to specifications. See REAR COVER MODULE SPECIFICATIONS  table under TRANSMISSION SPECIFICATIONS. If wear exceeds specification, replace P3 planetary carrier assembly.
Fig 1: Exploded View Of P3 Planetary Carrier Assembly
G00117166Courtesy of GENERAL MOTORS CORP.
Fig 2: Measuring Tooth Wear Of P3 Planetary Carrier Assembly
G00117162Courtesy of GENERAL MOTORS CORP.
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