GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Regal 🢒 Engine 🢒 Engine Mechanical - 2.2L or 2.4L 🢒 Balance Shaft Installation

Special Tools

EN-43650 Balance Shaft Bushing Remover/Installer

For equivalent regional tools, refer to Special Tools.


    Object Number: 2146378 Size: SH
  1. Install the balance shaft bushing using the EN-43650 installer  (1).

    2. Object Number: 2146379 Size: SH
  2. Seat the balance shaft bushing into the bore using the EN-43650 installer  (1) and a wrench.
  3. When the EN-43650 installer is fully seated in the engine block, remove it with a wrench.

    4. Object Number: 2146297 Size: SH

    Note: If the balance shafts are not properly timed to the engine, the engine may vibrate or make noise.

  4. Place the number one piston at top dead center (TDC).
  5. Lubricate the balance shaft lobes with engine oil.
  6. Install the balance shafts (1) into their bores.

    7. Caution: Refer to Fastener Caution in the Preface section.

  7. Install the balance shaft retaining bolts and tighten to 10 N·m  (89 lb in).