Silverado 1500 2WD V6-4.3L (2007)
4. Install the balance shaft driven gear.
5. If reusing the fastener, apply threadlocker to the threads of the balance shaft driven gear bolt. Refer to Sealers, Adhesives, and Lubricants for the
correct part number.
6. Install the balance shaft driven gear bolt.
1. Use a wrench to secure the balance shaft.
Place the wrench onto the balance shaft near to the balance shaft front bearing.
2. Install the balance shaft driven gear bolt.
1. Tighten the bolt a first pass to 20 N.m (15 lb ft).
2. Tighten the bolt a final pass an additional 35 degrees using J 45059.
7. Remove the wrench from the balance shaft.
8. Rotate the balance shaft by hand in order to ensure that there is clearance between the balance shaft and the valve lifter pushrod guide. If the
balance shaft does not rotate freely, check to ensure that the retaining ring on the balance shaft front bearing is seated on the case.
9. Install the balance shaft drive gear. DO NOT install the camshaft sprocket bolts at this time.
10. Rotate the camshaft so that the timing mark on the balance shaft drive gear is in the 12 o'clock position.
