Cobalt L4-2.4L VIN B (2006)
22. Important: It may ease removal of the balance shaft drive chain to get all the slack in the chain between the crankshaft and water pump sprockets.
Remove the balance shaft drive chain (7).
23. Remove the balance shaft drive sprocket.
Installation Procedure
1. If replacing the balance shaft timing chain, perform the following steps, if not proceed to step 10.
2. Install the balance shaft drive sprocket.
3. Important: If the balance shafts are not properly timed to the engine, the engine may vibrate or make noise.
Install the balance shaft drive chain (1) with the colored link lined up with the marks on the balance shaft sprockets and the balance shaft drive