C 3500 Truck 2WD V8-454 7.4L VIN J SFI (1999)
26. For the 7.4L Engine, install the retainer clips and the brackets that secure the transmission cooler lines to the engine.
27. Install the flair nuts securing the oil cooler lines to the radiator or the auxiliary oil cooler if equipped.
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Tighten the flair nuts to 45 Nm (33 ft. lbs.).