Removal Procedure

WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Sprocket Timing Marks

Courtesy of GENERAL MOTORS CORP.

Remove the crankshaft rear oil seal housing. Refer to Crankshaft Rear Oil Seal and Housing Replacement .

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

Rotate the crankshaft until the correct timing chain and timing marks align:
- The left hand balance shaft sprocket timing mark (1) is at the 12:00 position
- The right hand balance shaft sprocket timing mark (2) is at the 2:30 position
- The crankshaft sprocket timing mark (3) is at the 4:30 position
- The 3 timing marks (1-3) on the sprockets line up with a dark link on the chain

Fig 2: View Of Balance Shaft Chain Tensioner

Courtesy of GENERAL MOTORS CORP.

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