Symptoms:

  • Soft shifts
  • Poor shift quality
  • Delayed engagement
  • Low base line pressure
  • High line pressure

Cause:

Circuit wear, relaxed OEM pressure regulator springs or overly aggressive aftermarket springs.

Correction:

The Sonnax spring is designed to restore or increase line pressure up to 10 psi over OEM specifications while avoiding excessively high line pressure and harsh shifts.

5R55S,5R55W

Elevated Pressure Main Pressure Regulator Spring
Part No.56947J-S7

Package Quantity:5

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  • Restores or increases line pressure up to 10 psi.
  • Replaces lost original springs.
  • No harsh shift effects of high line pressure.
  • Drop-in installation requires no modifications.

Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on.看到所有Sonnax阀体布局.

Ford 5R55S, 5R55W Valve Body Layout

Ford 5R55S, 5R55W Valve Body Layout
  • 5R55S, 5R55W Elevated Pressure Main Pressure Regulator Spring 56947J-S7
  • 5R55S, 5R55W Elevated Pressure Main Pressure Regulator Spring 56947J-S7