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Home >> Saturn >> 2000 >> LS1 Automatic >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transaxle Overhaul & Testing - 4T40-E & 4T45-E >> Component Disassembly, Reassembly & Transaxle Reassembly >> Coast & Direct Clutch, & Reaction Carrier Assembly >> Inspection

Coast & Direct Clutch, & Reaction Carrier Assembly: Inspection

  1. Check clutch spring assemblies for distortion or missing springs. Check oil passages for blockage. Check bushings and bearings for excessive wear. Inspect seal grooves on input shaft for nicks or damage.
  2. Inspect piston assemblies for cut seals or damage. If pistons or seals are damaged, assembly must be replaced. Check coast and direct clutch retainer and ball assemblies for leaks or damage. Check splines, housings and clutch plates for cracks, excessive wear or damage. Clean all parts and dry with compressed air. Replace components as necessary.
  3. Measure reaction carrier pinion gears for excessive end play. Using a feeler gauge, measure end play clearance between carrier and pinion gear thrust washer. See Figure . End play should be .009-.027" (.23-.69 mm). Replace carrier if pinion gear clearance is not within specification. Pinion gears are permanently assembled to carrier and are not serviceable.
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