Punch accumulator replacement capsule

What should I do if my 3rd accumulator ball is leaking?

Replacing the 3 rd accumulator ball with a cup plug often results in soft 2-3 shifts and 3-2 flares due to arrested venting. Forget the ill-advised plug; fix the checkball capsule instead. Vacuum test 2-4 servos for leakage. Recommend using D-rings instead of Teflon ® seals.

How do you replace a piston accumulator?

Remove piston pin from the 1-2 accumulator housing. OE pin diameter varies. Plug pin hole by driving one appropriately sized Sonnax steel ball (.236" or .312" dia.) into hole. Discard unused ball. Stake ball in place. Install rubber D-ring toward piston dome. Install PTFE seal toward open end.

How do you reuse a accumulator valve spring?

Reuse OE accumulator valve spring. Install shim into sleeve pocket, beveled side down. This can be done by removing the accumulator valve or by simply insert-ing the shim between the spring and the end of the bore using a feeler gauge as an installation tool (Figure 8).

What happens if you put a plug in a checkball accumulator?

When a plug is put into place, the vent is choked off, preventing necessary exhausting of the circuit. Replacing the 3 rd accumulator ball with a cup plug often results in soft 2-3 shifts and 3-2 flares due to arrested venting. Forget the ill-advised plug; fix the checkball capsule instead.

Why is my 3-4 accumulator checkball not sealing properly?

Inadequate sealing capacity of OE checkball and seat. Install Sonnax OE replacement 3rd accumulator checkball and seat. Wear or debris can prevent the third accumulator checkball and seat from correctly sealing the 3-4 apply circuit.

Does a 4L60-E accumulator leak a checkball?

Yes No In 4L60-E, 4L65-E and 4L70-E units, it’s crucial to prevent even minor leaks in the 3rd accumulator checkball assembly. Leakage at the hidden #7 checkball (Figu