Econoline E550 V10-6.8L VIN S (2003)
9. Using the special tool, measure ring gear backlash.
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If the backlash is within specification, go to Backlash within specification. The specification shown in the illustration is the total allowable
range. For the preferred range, refer to the Specifications.
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If a zero backlash condition occurs, go to Zero backlash.
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If the backlash is not within specification, go to Backlash not within specification.
Zero backlash
10. If a zero backlash condition occurs, add a 0.50-mm (0.020-inch) shim to the RH side and subtract 0.50 mm (0.020 inch) from the LH side to
allow backlash indication. Check backlash. Go to Measure backlash.
Backlash not within specification