Home > SONNAX Valves and Tools > General Motors > 4T80E > 7275401K 4T80E VALVE ASSY, BOOST
4T80E transmission pressure boost valve Sonnax 72754-01K	4T80E transmission pressure boost valve Sonnax 72754-01K Competitors Price $81.10 Your Cost $81.10 Product Code: 400-07275401K Qty:

Description Related Products   More Information The boost valve assembly is activated by torque signal pressure from the pressure control solenoid and reverse pressure to aid in adjusting line pressure at the pressure regulator valve. This boost valve is continuously oscillating in the sleeve, which leads to wear and hydraulic leakage. When wear occurs, critical oil pressure is allowed to cross leak between the circuits or leak to exhaust. These leaks can result in either no line rise or an unwanted increase in line pressure Features This is a direct replacement part.

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