Symptoms:

  • Shift concerns
  • Shift codes
  • Low solenoid feed pressure

Cause:

Wear at the cast aluminum accumulator bores by the steel pistons allows apply oil to exhaust.

Correction:

Sonnax drop-in solenoid modulator accumulator piston kit incorporates an O-ring for positive sealing and annular grooves for better centering and wear prevention.

TF-81SC

Solenoid Modulator Accumulator Piston Kit
Part No.39741-14K

Fits Ford (AF21) and Mazda (AW6A-EL) units.

You need this if... View Instructions Find a Distributor

Wear at the solenoid modulator accumulator bores in Aisin AW TF-81 units is very common. Wear allows solenoid feed pressure to exhaust resulting in various shift complaints and/or codes. Sonnax solenoid modulator accumulator piston kit 39741-14K incorporates an O-ring for positive sealing and annular grooves for better centering and wear prevention.

  • Pistons incorporate an O-ring for positive sealing, even on worn bores
  • 一个nnular grooves added for better piston centering and wear prevention
  • 一个nodized aluminum piston combats premature wear and eliminates thermal expansion related leakage
  • Drop-in Zip Valveparts install quickly and easily
Learn More About Zip Valve™ Drop-In Repairs

Fits either of two locations.

  • 一个ccumulator Piston
  • O-Ring

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.

一个isin AW TF-81SC Valve Body Layout

一个isin AW TF-81SC Valve Body Layout
  • TF-81SC Solenoid Modulator Accumulator Piston Kit 39741-14K
  • TF-81SC Solenoid Modulator Accumulator Piston Kit 39741-14K

You need this if...

Vacuum testing at the port(s) indicated fails to hold the recommended minimum in-Hg, or if wear is visually detected.

TF-81SC Solenoid Modulator Accumulator Piston Kit Vacuum Test Locations