GM Service Manual Online
For 1990-2009 cars only
Makes
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Buick
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2009
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Enclave - AWD
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Diagnostic Navigation
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Vehicle Diagnostic Information
🢒 Harsh or Late Second and Sixth Shift
Checks
Causes
2-6 Clutch Assembly
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Inspect for worn or improper surface finish on the 2-6 Clutch Plates (446, 447) and Backing Plate (448)
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Inspect for fatigued 2-6 Clutch Piston Cushion Spring (445)
Case Cover Assembly (403)
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Inspect for damaged or broken 2-6 Clutch Piston (405) and piston seals damaged, worn or delaminating
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Inspect for fatigued 2-6 Clutch Piston Return Spring (406)