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Symptoms:

  • Burnt clutches
  • Erratic shift timing
  • Failsafe mode
  • Harsh shifts
  • Overheated fluid
  • Ratio codes
  • Slipping gears
  • Soft shifts

Cause:

Excess wear in various bores allows pressure loss that causes driveability concerns.

Correction:

Recover hydraulic control and restore normal shift operation by reconditioning the bore and installing Sonnax oversized clutch cutoff valve.

09G, 09K, 09M, 6F21WA, TF-60SN, TF-80SC, TF-81SC

Oversized Clutch Cutoff Valve
Part No. 15741-63K

Fits 9 separate locations; see note below.


You need this if... View Instructions

Clutch cutoff valves in listed Aisin AW, Mini and VW/Audi transmissions are responsible for switching or relaying control pressure in their respective circuits. Over time, bore deterioration allows pressure loss that negatively affects circuit function. Depending on which bore is influenced, this can result in shift timing issues, harsh or soft shifts, burnt clutches, overheated fluid, and failsafe mode. Reconditioning the bore and installing Sonnax oversized clutch cutoff valve 15741-63K eliminates excess wear for revived shift control in all ranges.

  • Hardcoat anodized aluminum valve combats premature wear
  • Annular grooves help center valve in bore to reduce future side-load deterioration

For TF-60SN, 09G, 09K, 09M, 6F21WA: Fits 3-4 transition bore, K3 relay bore & 4-5 timing bore.
For TF-80SC: Fits C1 shift bore, B1/C3 control bore & shift valve bore.
For TF-81SC: Fits C3 signal bore, C1 shift bore & B1/C3 control bore.

  • Valve
  • End Plug

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 TF-60SN Valve Body Layout

Tf 60sn vbl thumb

September 30, 2005

Anatomy of a Transmission: Oil Flow in the Pump-PR-Converter-Cooler Lube Circuits

Gregg Nader

Topics: Diagnostics And Theory Transmission

Read Now
  • 15741 63k combo
  • 15741 63k

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.

  • 15741 63k test2
  • 15741 63k test1
  • 15741 63k test3