70. Balance Shaft Installation

Balance Shaft Installation

Tools Required
^ J8001 Dial Indicator Set
^ J21465-13Drive Handle Extension
^ J45059 Angle Meter
^ J36996 Balance Shaft Installer





1. Use J21465-13 and J36996 to install the balance shaft into the engine block.





2. Install the balance shaft retainer.

3. Install the balance shaft retainer bolts.
Tighten the balance shaft retainer bolts to 30 Nm (22 ft. lbs.).

Notice: Refer to Fastener Notice in Service Precautions.






4. Install the balance shaft driven gear.

5. Install the balance shaft driven gear bolt.
Tighten the balance shaft driven gear bolt to 22 Nm (16 ft. lbs.). Use J45059 to tighten the bolt an additional 70 degrees.

Notice: Refer to Special Fastener Notice in Service Precautions.






6. Using J8001 measure the balance shaft end play. End play must not exceed 0.028 mm (0.008 inch).





7. Using J8001 measure the balance shaft radial play at the rear. Radial play must be between 0.0127 - 0.119 mm (0.0005 - 0.0047 inch).
8. Install the balance shaft drive gear.
9. Install the camshaft sprocket.
10. Turn the camshaft so the timing mark on the camshaft sprocket is straight down.
11. Remove the camshaft sprocket and balance shaft drive gear.
12. Turn the balance shaft so the timing mark on the balance shaft driven gear points straight down.
13. Partially install the balance shaft drive gear so the gear teeth are not engaged.
14. Align the marks on the balance shaft driven gear and the balance shaft drive gear. Do this by turning the balance shaft.
15. Once marks are aligned, fully seat balance shaft drive gear and engage gear teeth.
16. Turn the crankshaft so the number one piston is at top dead center.
17. Install the timing chain and camshaft sprocket.





18. Using J8001 measure the gear lash at four places. Measure every quarter turn. Gear lash must be between 0.050 - 0.127 mm (0.002 - 0.005 inch).