Home > SONNAX Valves and Tools > Ford > Ford Rear Wheel Drive > AODE 4R70W > 7694829K 4R70W; 2001 LATER -SERVO VALVE ASSY, REG BOOST,OD SERVO
4R70W Overdrive servo regulator boost valve & sleeve 2001-0n Sonnax 76948-29K	4R70W Overdrive servo regulator boost valve & sleeve 2001-0n Sonnax 76948-29K Competitors Price $37.38 Your Cost $37.38 Product Code: 400-07694829K Qty:

Description   Wear at the inside diameter of the overdrive servo regulator boost valve sleeve due to constant oscillation allows valuable overdrive oil to leak. The Sonnax replacement assembly provides better sealing at all temperature ranges. More Information Features Common problems with a 4R70W are a burned overdrive band, loss of 4th gear, and/or a 4-3- neutral shift pattern. These problems can be caused by wear at the inside diameter of the overdrive servo regulator boost valve sleeve, due to constant oscillation. Excessive wear allows valuable overdrive oil to leak, preventing the proper regulation of the overdrive servo. The Sonnax replacement assembly maintains critical tolerances that re-establish the hydraulic integrity of the circuit.

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