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Symptoms:

  • Internal leakage
  • Loss of lubrication oil to planetaries
  • No cooler flow
  • Delayed Forward

Cause:

The turbine seal ring wears on the soft aluminum channel casting surface.

Correction:

This hardened and ground steel sleeve salvages worn channel plates.

4F50N, AX4N, AX4S, AXOD, AXODE

Repair Sleeve
Part No. 96803

Channel Plate, Hardened & Ground

Package Quantity: 5

View Instructions

The cast iron sealing ring on the Ford AXOD & E, AX4S, AX4N AND 4F50N turbine shaft frequently wears the mating surface on the aluminum channel plate. The resulting internal leakage diminishes cooler/lube flow, which contributes to common overdrive planetary failure. Hypoeutectic aluminum castings have insufficient silicon content to withstand the erosive wear of ductile iron. Sonnax has made available a hardened and ground steel sleeve 96803 to salvage worn channel plates.

  • Hardened and ground steel sleeve is more wear-resistant than OE.
  • Salvages worn channel plates.

September 30, 2005

Anatomy of a Transmission: Oil Flow in the Pump-PR-Converter-Cooler Lube Circuits

Gregg Nader

Topics: Diagnostics And Theory Transmission

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  • 96803 combo
  • 96803