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HOMESERVICE MANUALSBUICK1998REGAL 25TH ANNIVERSARY EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSAXLE OVERHAUL & TESTING - 4T65-ECOMPONENT DISASSEMBLY & REASSEMBLYDRIVEN SPROCKET SUPPORT ASSEMBLYINSPECTION
1998 Buick Regal 25th Anniversary Edition

Driven Sprocket Support Assembly: Inspection

1998 Buick Regal 25th Anniversary EditionSECTION Inspection
  1. Check for worn or cut oil seal rings. Check for rolled or cut 2nd clutch housing oil seal rings. Check for damage to piston seal surface in driven sprocket support assembly. Check for blocked or porous fluid passages in driven sprocket support assembly.
  2. Inspect 4th clutch piston for damage. Check thrust washer from 2nd clutch housing for cracks or distortion. Check 4th clutch spring assembly for distorted or missing springs. Check driven sprocket bearing assembly for foreign material and missing, flat or damaged rollers. Replace Teflon oil seal rings if rings are cut or damaged, or if complete overhaul is being performed. Check all seal ring grooves for debris, burrs or damage.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.