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.Oil Pan Replacement Engine Lubrication Oil Sump/Pan
Removal ProcedureRemove the drive belt. Refer toDrive Belt Replacement.Remove the oil level indicator tube. Refer toOil Level Indicator Tube Replacement.Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Loosen the upper air conditioning (A/C) compressorbolts.Remove the lower A/C ...