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2005
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Silverado 1500 4WD V8-5.3L VIN Z Flex Fuel
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Automatic Transmission/Transaxle
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4L80-E/4L85-E Automatic Transmission
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Repair Instructions
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75. Transmission Oil Pump Body Flatness Check
75. Transmission Oil Pump Body Flatness Check
Inspect the oil pump body (203) face with a straight edge and a feeler gauge to ensure flatness.