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Symptoms:

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

Cause:

Bore wear at the TCC control valve and/or sleeve results in the converter remaining applied and transferring the shift shock. Loss of control also results in RPM fluctuation.

Correction:

The Sonnax lockup clutch control valve kit corrects lost lube pressure and unsynchronized control timing caused by worn components in the lockup clutch control valve train and/or bore.

09D, TR-60SN

Lockup Clutch Control Valve Kit
Part No. 25741-29K


You need this if... View Instructions

Aisin AW TR-60SN transmission complaints associated with bore wear at the TCC lockup control valve include harsh 2-3 and harsh coast downshifts. This is due to the converter clutch remaining applied. When bore wear delays TCC apply, the vehicle RPM may surge or set gear ratio codes due to high slip rates. Installing the Sonnax lockup clutch control valve kit 25741-29K will restore correct lube pressure and valve control timing.

  • Salvages previously nonrepairable worn valve bodies and avoids expensive valve body replacement
  • Highly wear-resistant sleeves provide additional support to the lockup and plunger valves
  • Hard-coat anodized aluminum valves are wear-resistant and have more sealing contact with bore than OE to minimize leakage
  • New spring maintains OE operating pressures and TCC timing
  • Plunger Valve
  • Plunger Sleeve
  • Plunger Spring
  • Lockup Clutch Control Valve
  • Lockup Clutch Control Sleeve

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.

Aisin AW TR-60SN Valve Body Layout

Tr 60sn vbl thumb

January 26, 2015

Aisin AW TR-60SN (VW/Audi 09D) Solutions

Topics: Diagnostics And Theory Transmission Aisin AW VW/Audi 09D Transmission 09G, 09K, 09M Transmission TR-60SN Transmission TF-60SN Transmission

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  • 25741 29k

You need this if...

A vacuum test at the indicated ports fails to yield 18 in-hg or greater, or if visual wear is detected.

  • 25741 29k  1