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Fig. 208: View Of Sprocket Timing Marks 6. Verify the correct timing chain and timing mark alignments: 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. 7. Install the crankshaft rear oil seal housing. Refer to Crankshaft Rear Oil Seal and Housing Replacement. BALANCE SHAFT DRIVE CHAIN REPLACEMENT Removal Procedure
2006 Hummer H3 2006 ENGINE Engine Mechanical - 3.5L (L52) - H3
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