Fits '96–'99 A4RA, B4RA and M4RA. For use in early-style units with .260" deep spring pocket and .480" long spring.
Symptoms:
2-3 Flare at light throttle
Harsh upshifts, downshifts & Forward
Cause:
A broken CPC (clutch pressure control) valve spring
Correction:
Sonnax CPC valve spring has a larger wire diameter, thereby decreasing total spring stress by more than 25%.
Common problems in the Honda/Acura A4RA, B4RA and M4RA transmissions are harsh upshifts, downshifts and Forward engagements, while Reverse engagement is fine. These problems can be caused by a broken CPC (clutch pressure control) valve spring. The spring is located in the secondary valve body and is not available from Honda. The Sonnax CPC valve spring has a wire diameter larger than the OE design. This significantly reduces the stress on the spring, preventing future breakage.
Fits '96–'99 A4RA, B4RA and M4RA. For use in early-style units with .260" deep spring pocket and .480" long spring.
Symptoms:
Cause: A broken CPC (clutch pressure control) valve spring
Correction: Sonnax CPC valve spring has a larger wire diameter, thereby decreasing total spring stress by more than 25%.
Common problems in the Honda/Acura A4RA, B4RA and M4RA transmissions are harsh upshifts, downshifts and Forward engagements, while Reverse engagement is fine. These problems can be caused by a broken CPC (clutch pressure control) valve spring. The spring is located in the secondary valve body and is not available from Honda. The Sonnax CPC valve spring has a wire diameter larger than the OE design. This significantly reduces the stress on the spring, preventing future breakage.
SONNAX Installation Instructions