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2009
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Escalade EXT
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Repair and Diagnosis
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Transmission
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Hydraulic Diagrams
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Automatic Transmission - 6L80/6L90 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis
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Diagnostic Information And Procedures
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Noise in First, Second, Third, Fourth, Fifth, or Reverse Gear
Noise in First, Second, Third, Fourth, Fifth, or Reverse Gear
Checks
Causes
Input Carrier Assembly (52)
Inspect thrust washers, pinion gears, and pins for wear or damage.
Input Sun Gear (53)
Inspect for damaged sun gear.
1-2-3-4 and 3-5-R Clutch Assembly (51)
Inspect for worn or damaged clutch bearing (428).