Tool Required VB-FIX Required

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Symptoms:
  • Burnt clutches
  • Erratic line pressure
  • Low converter & lube flow
  • Overheating
  • Poor shift quality
  • TCC apply & release concerns
Cause:

Continuous oscillation of pressure regulator valve results in excess bore wear, causing erratic line pressure and/or restricting converter feed oil.

Correction:

Recover hydraulic control and renew line pressure performance by reconditioning the bore and installing Sonnax oversized pressure regulator valve kit.

Tool Required VB-FIX Required

A6GF1, A6LF1/2/3, A6MF1/2

Oversized Pressure Regulator Valve Kit

Part No.

102741-08K

Oversized Pressure Regulator Valve Kit
  • 102741-08k_combo

  • Oversized Pressure Regulator Valve Kit

Small_102741-08k_combo Small_102741-08k

A6GF1, A6LF1/2/3, A6MF1/2

Oversized Pressure Regulator Valve Kit

Part No. 102741-08K

  • Valve
  • Spring
  • Spacer Sleeve

Complaint:

  • Burnt clutches
  • Erratic line pressure
  • Low converter & lube flow
  • Overheating
  • Poor shift quality
  • TCC apply & release concerns

Cause:

Continuous oscillation of pressure regulator valve results in excess bore wear, causing erratic line pressure and/or restricting converter feed oil.


Correction:

Recover hydraulic control and renew line pressure performance by reconditioning the bore and installing Sonnax oversized pressure regulator valve kit.

Hyundai/Kia A6LF1/2/3, A6GF1 and A6MF1/2 transmissions may exhibit multiple line pressure and converter-related problems due to excess wear in the main pressure regulator bore. Wear at the balance spool end allows critical fluid loss, resulting in high line pressure, harsh shifts, and overheating due to reduced cooler/converter flow. Wear at the outboard spool robs converter feed pressure and lowers line pressure, resulting in soft shifts and burnt clutches. Reconditioning the bore and installing Sonnax oversized pressure regulator valve kit 102741-08K restores hydraulic integrity for proper line pressure control and improved shifting in all ranges.

  • Oversized pressure regulator valve and matched spring restore OE function
  • Lengthened critical spools for improved seal and stability
  • Hardcoat anodized aluminum valve combats premature wear
  • Annular grooves help center valve in bore to reduce future side-load wear

Required Tools

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.

  • Test Locations

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Valve Body Layouts

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.

Valve Body Layout Hyundai/Kia A6GF1, A6LF1/2/3, A6MF1/2
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