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Housing Replacement. 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 Fig. 227: View Of Balance Shaft Chain Tensioner IMPORTANT: Every 11 crankshaft rotations, 3 of the 5 dark links on the timing chain will line up with the timing marks.
2007 Hummer H3 2007 ENGINE Engine Mechanical - 3.7L - H3
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