Mustang V6-4.0L (2008)
7. Using the special tool, install the pinion flange.
8. CAUTION: Install the new pinion nut from the 4CI21 kit or damage to the component may occur.
Install the new pinion nut. Only hand-tighten the pinion nut at this time.
9. NOTE: Under no circumstances is the pinion nut to be backed off to reduce drive pinion bearing preload. If reduced drive pinion bearing preload
is required, a new drive pinion collapsible spacer and pinion nut must be installed.
NOTE: Remove the special tool while taking drive pinion bearing preload readings with the Nm (lb-in) torque wrench.
Using the special tool to hold the pinion flange, tighten the pinion nut.
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Rotate the drive pinion occasionally to make sure the drive pinion bearings are seating correctly.
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Install a Nm (lb-in) torque wrench on the pinion nut.
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Rotating the drive pinion through several revolutions, take frequent drive pinion bearing preload readings until the drive pinion bearing
preload reading is obtained. For additional information, refer to Specifications.
10. Install the driveshaft.
11. Install the rear brake disc.
