Symptoms:

  • Delayed Forward
  • Shift concerns
  • Low line pressure
  • No lockup

Cause:

Continuous oscillation of the pressure reducing valve causes valve body bore wear, resulting in diminished solenoid feed pressure and a multitude of drivability complaints.

Correction:

Sonnax pressure reducing valve kit contains a highly wear-resistant sleeve and valve assembly that restores hydraulic sealing and prevents critical solenoid feed oil loss.

A4CF1, A4CF2

Pressure Reducing Valve Kit
Part No. 84741-10K


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Hyundai and Kia vehicles with Hyundai/Kia A4CF1, A4CF2 transmissions may exhibit a multitude of drivability complaints that can be caused by severe wear at the pressure reducing valve, allowing critical solenoid feed pressure to exhaust. Sonnax pressure reducing valve kit 84741-10K restores the proper hydraulic clearance between the valve and bore and prevents future wear.

  • Hardcoat anodized aluminum valve combats premature wear
  • Sleeve manufactured from highly wear-resistant aluminum
  • Restores hydraulic clearance and OE pressures
  • Sleeve
  • Valve
  • Spring
  • Retaining Clip

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. See all Sonnax valve body layouts.

Hyundai/Kia A4CF1/2 Valve Body Layout

Hyundai/Kia A4CF1/2 Valve Body Layout
  • A4CF1, A4CF2 Pressure Reducing Valve Kit 84741-10K
  • A4CF1, A4CF2 Pressure Reducing Valve Kit 84741-10K

You need this if...

A4CF1, A4CF2 Pressure Reducing Valve Kit Vacuum Test Locations