F-Trim Valve End Sleeve, for 1000/2000/2400, Sonnax Transmission

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  • Regular price $15.21


Hello, If you need assistance finding a part please supply the VIN number of your NORTH AMERICAN vehicle AND the part number you are looking for. 

Symptoms:

  • Overheating
  • Code P0741
  • TCC surge

Cause:

Wear of the F-trim valve end sleeve allows TCC PWM control oil to leak to exhaust and can also cause the valve to stick.

Correction:

Wear-resistant Sonnax sleeve is designed to restore converter apply and release pressure.

1000/2000/2400

F-Trim Valve End Sleeve
Part No. 37000-03

Fits '00-'05 units only.

The F-trim valve in Allison 1000/2000/24000 ('00-'05) units is controlled by a PWM solenoid that continuously strokes the valve. When the valve end sleeve becomes worn from constant oscillation, it allows TCC PWM pressure to leak to exhaust, inhibiting the valve from stroking against the spring and causing converter apply concerns, TCC surge, TCC slippage, code P0741 and overheating. The valve end sleeve also can become worn enough to cause the valve to stick, causing converter release problems as well as apply problems, depending on which direction the valve gets stuck. Sonnax F-trim valve end sleeve 37000-03 is wear-resistant and has high lubricity characteristics to restore the F-trim valve to normal operation.

  • Sleeve is made from high-quality aluminum for increased wear resistance
  • High lubricity ensures proper valve operation
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