Mountaineer 2WD V6-245 4.0L VIN X SFI (2000)
11. Using the special tool and a suitable press, seat the pinion bearing firmly against the pinion gear.
12. Place a new collapsible spacer on the pinion shaft against the pinion stem shoulder.
13. Install the outer pinion bearing.
14. Install the rear axle drive pinion shaft oil slinger.