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Sonnax GM 4T60E 1-2 Shift Valve 4T60-E Automatic Transmission
OPT Product Code: SNX-84754-23K$32.90
Product Details
The OEM 1-2 shift valve in 4T60-E units is prone to wear and side loading because it is made of raw aluminum. The valve tends to stick in place when shifting from 1st to 2nd, and even when the PCM has commanded a 1-2 shift by turning off the A solenoid, the worn OEM valve may fail to make the shift because it is stuck in the 1st gear position. Sonnax now offers a replacement 1-2 shift valve, 84754-23K, that outperforms the OEM.
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