Cause:OE accumulator piston bumpers lose elasticity and take a set due to long term heat and fluid exposure.
Correction:The Sonnax drop-in accumulator piston kit restores optimal hydraulic shock absorption and OE functionality to all the solenoid regulated circuits.
Overly firm up/downshift feel or harsh engagement can be a sign of deformed accumulator piston bumpers in listed units. The OE elastomeric (rubber) bumpers tend to take a set, resulting in loss of hydraulic damping. Sonnax direct-replacement accumulator piston kit 95740-15K restores hydraulic damping with improved service life.
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