GM Service Manual Online
For 1990-2009 cars only
Makes
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Chevrolet
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2007
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Colorado Pickup - 4WD
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Engine
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Engine Mechanical - 3.7L
🢒 Crankshaft Balancer Cleaning and Inspection
Inspect the crankshaft balancer sealing area for grooves, nicks, or burs (1).
Inspect the crankshaft balancer belt ribs for dents or damage (2).
Replace the crankshaft balancer if damage is present.