1998 Chevrolet Lumina BaseFACTORY OEM SERVICE PROCEDURE

Torque Converter: Inspection

Torque converter must be replaced for any of the following reasons.

  • Damage To Oil Pump Assembly
  • Metal Particles Present In Oil
  • Leaks In Hub Weld Area
  • Crankshaft Pilot Broken Or Damaged
  • Hub Scored Or Damaged
  • Stator Failure
  • Torque Converter Imbalance
  • Engine Coolant Contamination
  • Excessive End Play
Factory Service Tools

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When to See a Mechanic

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

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

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