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Symptoms:

  • Intermittent clutch codes
  • Intermittent solenoid codes
  • Soft shifts
  • Long shifts
  • Shift quality gets worse as temperature increases
  • Flare shifts

Cause:

Clutch pressure loss around the adjuster

Correction:

Sonnax spring adjusters with O-rings eliminate the clutch oil loss, improving clutch application and shift quality.

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

Spring Adjuster Kit
Part No. 15741-48K

Fits four locations.

You need this if... View Instructions

In Aisin AW TF-60SN, TF-80SC and TF-81SC applications the oil circuit between the clutch control valve and the adjuster is clutch apply oil. The clutch apply oil opposes the solenoid oil and slows the stroke of the valve in response to clutch fill rate. When the adjuster leaks, both clutch oil and fill rate are affected. Installing the Sonnax spring adjuster kit 15741-48K results in shorter, firmer shifts and less variance across temperature range.

  • Spring Adjusters (4)
  • O-Rings (6) 2 extra

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-80SC Valve Body Layout

Tf 80sc vbl thumb

Aisin AW TF-81SC Valve Body Layout

Tf 81sc vbl thumbnail

Aisin AW TF-60SN Valve Body Layout

Tf 60sn vbl thumb

October 16, 2014

Aisin AW TF-60SN, BMW 6F21WA, VW/Audi 09G, 09K, 09M Vacuum Test Guide

Topics: Vacuum Test Guides Vacuum Testing Transmission BMW VW/Audi Aisin AW 6F21WA Transmission 09G, 09K, 09M Transmission TF-60SN Transmission

Read Now
  • 15741 48k combo
  • 15741 48k

You need this if...

Vacuum testing over the adjuster spring fails to hold 12 in-Hg. Use Sonnax test plate to cover and seal each of the four outlined areas in each valve body to perform a vacuum test.

  • 15741 48k test 1
  • 15741 48k test 2
  • 15741 48k test 3