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Sonnax Pinless 1-2 or 3-4 Accumulator Piston Kit

Sonnax Pinless 1-2 or 3-4 Accumulator Piston Kit

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$13.95

Quick Overview

SONNAX PINLESS 1-2 OR 3-4 ACCUMULATOR PISTON KIT 77998-03K

Details

In GM 4L60-E, 4L65-E and 4L70-E units it is common to have poor shift quality, burnt
bands or clutches due to accumulator piston wear. Repeated reciprocation of the accumulator
piston causes wear at the piston pin bore interface. After this wear reaches a critical point,
fluid loss through the piston pin bore cannot be compensated due to lack of pump volume.
In addition, the piston can get cocked and gall the accumulator bore due to the pin bore wear
or the spring bottoming out.

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