Operation CHARM
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GMC Truck
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1989
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C 1500 Truck 2WD V8-379 6.2L DSL
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Repair and Diagnosis
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Specifications
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Mechanical Specifications
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Automatic Transmission/Transaxle
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Extension Housing, A/T
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TH 400 (3L80) & 475 (3L80HD)
TH 400 (3L80) & 475 (3L80HD)
Components
Ft. Lbs.
Extension Housing To Frame Nut
30-35
Extension Housing To Case Screw
20-25