Printpartsummary
Symptoms:
  • Delayed engagement
  • High line pressure
  • Low base line pressure
  • Soft shifts
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

Elevated Pressure Main Pressure Regulator Spring
  • 56947j-s7_combo

  • Elevated Pressure Main Pressure Regulator Spring

Small_56947j-s7_combo Small_56947j-s7

5R55S, 5R55W

Elevated Pressure Main Pressure Regulator Spring

Part No. 56947J-S7

Package Quantity: 5

Complaint:

  • Delayed engagement
  • High line pressure
  • Low base line pressure
  • Soft shifts

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.

  • 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.
Contact a Sonnax Distributor to purchase this part.