Chevrolet Equinox Service Manual: Balance Shaft Cleaning and Inspection Engine Block Cylinder Block Balance Shaft

Clean the balance shafts-(1) in solvent.Inspect the bearing surfaces on the balance shafts forscoring or unusual wear.

Note:Do not remove the balance shaft drive sprockets.

Inspect the balance shaft drive sprockets for wear, damage,or missing teeth.Measure the rear bearing journals on the balance shafts, thejournals should be 36.723–36.743-mm(1.4458–1.4466-in) in diameter.Measure the front bearing journals on the balance shafts, thefront bearing journals should be20.020–20.000-mm(0.7881–0.7874-in) in diameter.When the balance shafts have been installed in the engineblock, check for smooth rotation, sticking, binding, orroughness.