F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
Backlash not within specification
11. To increase or decrease backlash, remove the bearing caps, and install a thicker shim and a thinner shim as shown.
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If backlash is not within specification, correct by increasing the thickness of one differential bearing shim and decreasing the thickness on the
other differential bearing shim by the same amount.
12. Install the bearing caps and bearing cap bolts.
13. Rotate the differential several times to make sure the differential bearings are properly seated.
14. Using the special tool, recheck the backlash.
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If backlash is within specification, refer to Backlash within specification.
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If backlash is not within specification, refer to Backlash not within specification.
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The specification shown is the full allowable range.
