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Home >> Buick >> 1994 >> LeSabre Custom >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.8L V6 VIN L & 3.8L Supercharged V6 VIN 1 >> Removal & Installation >> Balance Shaft >> Removal

Balance Shaft: Removal

  1. Disconnect negative battery cable. Remove engine. See ENGINE  under REMOVAL & INSTALLATION.
  2. Remove flywheel. Remove intake manifold. See INTAKE MANIFOLD  under REMOVAL & INSTALLATION. Remove lifter guide. See Figure.
  3. Remove front cover. See FRONT COVER  under REMOVAL & INSTALLATION. Remove balance shaft gear bolt. See Fig 1. Remove camshaft sprocket and timing chain.
  4. Remove balance shaft retainer and gear. See Fig 1. Using Slide Hammer (J-6125-B) remove balance shaft from front of engine. Remove balance shaft plug from rear of cylinder block.
  5. Note direction of rear bearing installation. Using Rear Bearing Remover (J-36995-5), remove bearing from block. See Fig 2.
Fig 1: Identifying Balance Shaft & Components
G109514Courtesy of GENERAL MOTORS CORP.
Fig 2: Replacing Balance Shaft Rear Bearing
G109515Courtesy of GENERAL MOTORS CORP.
NOTE: Balance shaft and bearings are serviced as a complete assembly only. Use specified installation tools to prevent balance shaft damage.