Mountaineer 4WD V6-4.0L VIN E (1999)
4. Install the original differential pinion bearing and the front axle drive pinion shaft oil slinger.
5. Lubricate the pinion seal.
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Use Motorcraft SAE 80W90 Thermally Stable 4x4 Axle Lubricant meeting Ford specification WSP-M2C197-A.
6. Using the special tool, install the pinion seal.
7. Lubricate the pinion flange splines.
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Use Motorcraft SAE 80W90 Thermally Stable 4x4 Axle Lubricant meeting Ford specification WSP-M2C197-A.
8. CAUTION: Never use a metal hammer on the pinion flange or install the flange with power tools. If necessary, use a plastic hammer to tap on a
tight fitting flange.
Align the index marks and install the pinion flange.
