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Interchange Part Number: S255741CK,S39741C-1K

Manufacturer Part Number: 15741-29K

Brand: Sonnax

09G, 09K, 09M, TF-60SN, TF-80SC, TF-81SC

Lockup Clutch Control Valve Kit
Part No. 15741-29K

Also fits Volvo (AM6); Opel (AF40); Saab (AF40/6); Ford (AF21); Mazda (AW6A-EL).

    Tooling:
  • F-15741-TL29
  • F-15741-TL29PL
  • VB-FIX
Bore wear at the TCC control valve and/or sleeve in listed units results in loss of torque converter clutch control. The TCC can remain applied, transferring shift shock, or can result in RPM fluctuations. Reconditioning the bore and installing Sonnax lockup clutch control valve kit 15741-29K eliminates bore wear for renewed TCC and drivability performance.
  • Allows salvage of previously non-repairable worn valve bodies
  • Highly wear-resistant aluminum sleeves provide additional valve support and stability
  • Hardcoat anodized aluminum valves combat premature wear
  • Valve Cap
  • Spring
  • Plunger Valve
  • Spacer
  • Plunger Sleeve
  • Lockup Clutch Control Valve
  • Lockup Clutch Control Sleeve
  • Shims (3)

Symptoms:

  • TCC codes
  • TCC apply & release concerns
  • RPM surge on light acceleration
  • Harsh downshifts
  • RPM surge on coast
  • Overheated fluid

Cause:

TCC control bore wear allows pressure loss that results in drivability concerns.

Correction:

Recover hydraulic control and restore normal operation by reconditioning the bore and installing Sonnax lockup clutch control valve kit.

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