F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
3. NOTE: The differential housing cover must be installed within 15 minutes of application of the silicone, or new sealant must be applied. If
possible, allow I hour before filling with lubricant to ensure the silicone sealant has properly cured.
Install the differential housing cover and tighten the differential housing cover bolts.
4. NOTE: Service refill capacities are determined by filling the rear axle with the specified lubricant to the specified level below the bottom of the
filler hole.
Fill the rear axle with specified lubricant, and install the filler plug.
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For Traction-Lok axles, first fill the rear axle with 236.5 ml (8 ounces) of additive friction modifier.
5. Lower the vehicle.
