Sonnax GM TH125 Accumulator Piston and Pins 3T40 Automatic Transmission
OPT Product Code: SNX-75921-01K$19.76
Product Details
Vehicles with 125 or 3T40 transmissions may have problems with burned forward clutches, delayed engagements, poor shift quality or wrong gear starts due to loss of oil pressure through the accumulator circuits and worn piston pin bore. Continuous oscillation and spring loads cause the piston to wear or cock in the housing. This allows fluid to cross leak into other circuits and the piston to cock in the bore. The Sonnax replacement pin and bushing 75912-01K has a larger piston-to-pin contact area to reduce wear and prevent cocking.
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