F 250 2WD Pickup V8-5.4L CNG VIN M (1999)
3. Tighten the engine front cover fasteners in sequence in two stages.
Stage 1: Tighten fasteners 1-7 to 20-30 Nm (15-22 ft. lbs.).
Stage 2: Tighten fasteners 6-15 to 40-55 Nm (30-41 ft. lbs.).
4. Position the (A) belt idler pulley and install the (B) bolt.