LEMON Manuals: Even more car manuals for everyone
Home >> Lincoln >> 2009 >> MKX FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 868 (Rear Drive Axle/Differential - Ford 8.8-Inch Ring Gear) >> In-Vehicle Servicing >> Differential Case >> Installation >> Backlash not within specification

Backlash not within specification

WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Differential Bearing Shims
GF0009732Courtesy of FORD MOTOR CO.
  1. To increase or decrease backlash, remove the bearing caps and install a thicker shim and a thinner shim accordingly.
    • If backlash is not within the specification, increase the thickness of one differential bearing shim and decrease the thickness of the other differential bearing shim by the same amount.
  2. Fig 2: Rotating Differential Assembly
    GF0000844Courtesy of FORD MOTOR CO.
  3. Rotate the differential assembly several times to verify that the differential bearings seated correctly.
  4. Fig 3: Measuring Ring Gear Backlash
    G03878618Courtesy of FORD MOTOR CO.
  5. Using the special tools, recheck the backlash.
    • If backlash is within the specification, refer to Backlash within specification in this procedure. If backlash is not within the specification, repeat Backlash not within specification in this procedure.