Transmission Parts Ford 4R100 E4OD Other Tool
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Symptoms:

  • Soft shifts
  • No 2nd
  • No 3rd
  • No 4th
  • Premature clutch failure

Cause:

OE accumulator control valves restrict oil flow to clutches due to interference from ridges that form in the bore. Symptoms appear when valve hangs up on ridges.

Correction:

Use Sonnax bore sizing tool to remove wear ridges, smooth and resize the bore to prevent valve hang-up.

4R100, E4OD

Bore Sizing Tool
Part No. 36948-12

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Sonnax bore sizing tool 36948-12 smooths and deburrs accumulator control valve bores to permit salvage of accumulator bodies. This tool allows the bore to be properly resized to prevent hang-up of Sonnax valves.

  • Prepares bore for installation of Sonnax performance rated accumulator spring kit 36948-18K and installation of OE accumulator control valves and Sonnax accumulator control valve kits 36948-09K and 36948-13K
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  • 4R100, E4OD Bore Sizing Tool 36948-12
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