Drive Pinion Flange and Seal: Installation
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
- Install the new pinion seal.
Use Special Service Tool: 205-1020 Installer, Pinion Seal.
- Lubricate the pinion seal and pinion splines.
Material: Motorcraft® SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant / XY-75W85-QL (WSS-M2C942-A)
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NOTE: Align the index marks.
Install the pinion flange and a new washer and pinion nut.
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NOTE: Never back off the pinion nut to reduce preload. If preload reduction is necessary, install a new collapsible spacer and pinion nut.
Tighten the nut.
- Use the special tool to prevent the flange from turning while tightening the nut. Remove the special tool when taking pinion bearing torque preload readings.
- Take frequent pinion bearing torque preload readings.
- The final reading must be 0.56 Nm (5 lb-in) more than the initial reading taken during removal.
- Align the index marks and position back the front driveshaft.
- Install new retainers and new bolts.
Torque: 26 lb.ft (35 Nm)
- Install the front brake pads. REFER to: Brake Pads - F-250/F-350 . REFER to: Brake Pads - F-450/F-550 .