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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transaxle - 4T80-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - Off Vehicle >> Torque Converter and Oil Pump Drive Shaft Install

Torque Converter and Oil Pump Drive Shaft Install

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    Fig 1: Locating Inspection Points On Torque Converter
    GM15532Courtesy of GENERAL MOTORS CORP.
  1. Inspect the torque converter (1) lugs for damage and inspect the oil pump driven shaft for damage. Replace the turbine shaft seal (412).
    2. Fig 2: Oil Pump Driven Shaft & Torque Converter
    GM11831Courtesy of GENERAL MOTORS CORP.
  2. Install the following parts:
    • The oil pump driven shaft (2) into the turbine shaft
    • The new turbine shaft O-ring seal (412)
    • The torque converter (1)
  3. Remove the transmission from the base and then remove the holding fixture from the transmission.
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