C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
4. Remove the oil fill plug.
5. Catch the oil in a suitable container.
6. Remove the lower PTO cover bolt. The lower PTO cover bolt is used as a oil drain plug.
INSTALLATION PROCEDURE
1. Install the lower PTO cover bolt.
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Tighten the bolt to 37 Nm (27 ft. lbs.).
NOTICE: Refer to Fastener Notice in Service Precautions.