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Equinox LS, 4WD
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Automatic Transmission - 6T40 (MNH MNK) Or 6T45 (MHG) - Diagnostic Information And Procedures
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Diagnostic Information and Procedures
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Harsh or Late Second and Sixth Shift
Harsh or Late Second and Sixth Shift
Checks
Causes
2 - 6 Clutch Assembly
Inspect for worn or improper surface finish on the 2 - 6 Clutch Plates (540 - 542)
Inspect for fatigued 2 - 6 Clutch Piston Apply Plate (540)
Inspect for plugged, restricted or incorrect orientation of the 2 - 6 Clutch Piston (535) air bleed
Case Assembly (50)
Inspect for damaged or broken 2 - 6 Clutch Piston (535) and piston seals damaged, worn or delaminating
Inspect for fatigued 2 - 6 Clutch Piston Return Spring (536)