GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Cobalt 🢒 Engine 🢒 Engine Mechanical - 2.0L 🢒 Water Pump and Balance Shaft Chain and Tensioner Installation

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 412415 Size: SH

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

  1. Install the upper balance shaft chain guide and bolts and tighten to 12 N·m (106 lb in).

    2. Object Number: 412414 Size: SH
  2. Install the small balance shaft chain guide.
  3. Install the balance shaft chain guide bolts and tighten to 12 N·m (106 lb in).

    4. Object Number: 412413 Size: SH
  4. Install the adjustable balance shaft drive chain guide.
  5. Install the adjustable balance shaft drive chain guide bolts and tighten to 10 N·m (89 lb in).

    6. Object Number: 412528 Size: SH
  6. Reset the timing chain tensioner by performing the following steps:
    7. 6.1. Turn the tensioner plunger 90 degrees in its bore and compress the plunger.
    6.2. Turn the tensioner back to the original 12 o'clock position and insert a paper clip through the hole in the plunger body and into the hole in the tensioner plunger.
  7. Install the timing chain tensioner.
  8. Install the chain tensioner bolts and tighten to 10 N·m (89 lb in).
  9. Remove the paper clip from the balance shaft drive chain tensioner.