Balance Shaft: Service and Repair

BALANCE SHAFT

REMOVAL





1. Remove the timing chain cover.





2. Rotate the crankshaft and align the basic valve timing to 40 degrees ATDC.





3. Remove the starter.
4. Using Special Tool 9102 Flywheel Locking Tool (1), lock the flywheel.
5. Remove the timing chain.
6. Remove the rear crankshaft oil seal.





7. Hold the balance shaft rear counter weight (1) with a drift, remove the rear retaining bolt (2).
8. Remove the balance shaft rear counter weight (1) from the balance shaft.





9. Remove the balance shaft locking plate bolt (6) and locking plate at the front of the engine block.
10. Remove the balance shaft (5) from the front of the engine.

INSTALLATION





1. Position the balance shaft (5) into the engine balance shaft bore from the front.

NOTE: Balance shaft rear retaining bolt (4) must be replaced if length exceeds 50 mm.

2. Install the balance shaft rear counter weight (3) onto the balance shaft (5) and install the rear retaining bolt (4). Tighten the bolt to 20 Nm (15 ft. lbs.). Rotate the bolt (4) an additional 90°.
3. Install the balance shaft locking plate and locking plate bolt (6). Tighten the balance shaft locking plate bolt to 20 Nm (15 ft. lbs.).
4. Install the crankshaft rear radial oil seal.





5. Install the timing chain.





6. Install the timing chain cover.





7. Remove the Special Tool 9102 Flywheel Locking Tool (1) from the engine and install the starter.