Balance Shaft

Balance Shaft

The job of a balance shaft is to absorb and offset vibration found in most four-cylinder engines that is caused by movements of pistons. The shaft balances the off-center weight and reduces vibration.

Signs of a failing balance shaft

  • Increased engine noise and vibration

Balance shaft repair guide

  1. There are three types of balance shafts including chain-, gear- and belt-driven
  2. The balance shaft should be replaced each and every time you install a new timing belt