Econoline E350 1 Ton V8-5.4L SOHC VIN L (1999)
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147.6 mm (5.812 inches) for Model 80
3. If the old ring gear and pinion is to be reused, measure the old pinion shims and build a new pack of shims to this same dimension. If a baffle is
used in the rear axle assembly, it is considered part of the shim pack.
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To change the pinion adjustment, pinion shims are available in thicknesses of 0.08, 0.13 and 0.25 mm (0.003, 0.005 and 0.010 inch).
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Measure each shim separately with a micrometer and add together to get the total shim pack thickness from the original buildup.
New Pinion Conversion Chart (Metric)
4. If a new ring gear and pinion is being used, notice the (+) or (-) etching on both the old and new pinion and adjust the thickness of the new shim
pack to compensate for the difference of these two figures.
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For example, if the old pinion reads m+5 (+2) and the new is m-5 (-2), add 0.10 mm (0.004 inch) pinion shims to the original shim pack.
Ring Gear and Pinion Backlash
1. Using the Differential Housing Spreader, place the differential case into the rear axle housing. Differential master bearings should still be
assembled to the differential case. Install the outboard spacers in the same side as removed from, when making overall measurement.
2. Set up the Dial Indicator/Magnetic Base or Dial Indicator with Bracketry. Locate the dial indicator tip, which is the Clutch Housing Alignment
Adapter, on a flat surface of one of the ring gear bolts.
