Where is the chevrolet hydraulic accumulator

How do accumulator pistons work?

The 1-2 and 3-4 accumulator pistons are responsible for the 1-2 and 3-4 shift feel by providing the hydraulic cushioning of 2nd clutch and 4th fluid pressure and altering the band apply rate. Both pistons use accumulator pressure fed from the accumulator valve to aid the springs in cushioning the band apply rate for a smoother shift.

How does accumulator pressure work?

Both pistons use accumulator pressure fed from the accumulator valve to aid the springs in cushioning the band apply rate for a smoother shift. This accumulator pressure is regulated and varies in relation to the engine torque. So in heavier throttle conditions, a greater apply pressure is required and a quicker apply rate results.

How do you change a accumulator on a Honda CR-V?

Replace the Accumulator into the car and pressurize the unit to 100 psi through the air valve. Open the manual valve and allow the Accumulator to pre-oil the new engine before it is fired up. Start the engine. Shut down the engine with the manual valve open, allowing the Accumulator to empty into the engine.

How do I choose the correct accumulator valve code?

Choosing the correct accumulator valve code and associated spring for your customer can be as simple as A, B, C when you understand the overall hydraulic theory and relative effect of each code. Maura Stafford is Sonnax vice president of transmission products.

How do you open a accumulator tank?

Remove the Accumulator tank from the car, remove the air valve core from the tank air valve, open the manual valve on the other end. Using air pressure, force the internal piston from the manual valve end to the gauge end.

How does accumulator pressure affect shift?

Because this accumulator pressure helps to resist the stroking or cushioning effect of the accumulator piston, the pressure curves that are lower (K, N, A) on the graph will allow for a lighter apply rate and shift. The pressure curves that are higher (B, M, L) on the graph will provide a firmer shift.