GM Service Manual Online
For 1990-2009 cars only
Makes
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Chevrolet
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2009
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Avalanche - 2WD
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Diagnostic Navigation
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Vehicle Diagnostic Information
🢒 Noise During 3-4 or 4-3 Shifts
Checks
Causes
4-5-6 Clutch (with Output Carrier Shaft and Dampener) Hub Assembly (58)
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Inspect hub assembly (475), dampener (476), and apply plate (477) for wear or damage.
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Inspect for damaged or worn 4-5-6 clutch backing plate (432).