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GMC Truck
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1989
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R 2500 P/U 2WD V8-454 7.4L
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Repair and Diagnosis
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Specifications
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Mechanical Specifications
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Flex Plate
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Tightening Specifications
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3L80 (400/475) Transmission
3L80 (400/475) Transmission
FASTENER TIGHTENING SPECIFICATIONS
Flywheel
to Crankshaft Bolts
90 Nm (65 lbs. ft.)
Flywheel
to Converter Screw
41-47 Nm (30-35 lbs. ft.)