Balance Shaft Chain Tensioner: Service and Repair

Balance Shaft Chain Tensioner Replacement

Removal Procedure




1. Remove the crankshaft rear oil seal housing.

Important: Every 11 crankshaft rotations, 3 of the 5 dark links on the timing chain will line up with the timing marks.

2. Rotate the crankshaft until the left hand balance shaft sprocket timing mark (1) is at the 12 o'clock position. The right hand balance shaft sprocket timing mark (2) should be at the 2:30 position. The crankshaft sprocket timing mark (3) should be at the 4:30 position. Make sure the 3 timing marks on the sprockets line up with a dark link on the chain.





Important: It may be necessary to retract the tensioner plunger by rotating the link plate clockwise. Insert a small tool into the link plate hole in order the prevent the tensioner from ratcheting to full extension.

3. Remove the balance shaft chain tensioner bolts.
4. Remove the balance shaft chain tensioner.

Installation Procedure





Notice: Refer to Fastener Notice.

1. Install a NEW balance shaft chain tensioner and bolts.

Tighten the bolts to 10 N.m (89 lb in).




2. Verify the correct timing chain timing mark alignments. The left hand balance shaft sprocket timing mark (1) is at the 12 o'clock position. The right hand balance shaft sprocket timing mark (2) should be at the 2:30 position. The crankshaft sprocket timing mark (3) should be at the 4:30 position. The 3 timing marks on the sprockets line up with a dark link on the chain.
3. Install the crankshaft rear oil seal housing.