SonnaxValve Kit

Vehicles equipped with ZF5HP19 transmissions often encounter TCC troubles such as RPM surge, overheating, apply and release concerns and TCC codes. These problems can often be traced to excess bore wear at the TCC apply valve, which permits crucial control pressure to exhaust. Reconditioning the bore and installing Sonnax oversized TCC apply valve 85755-08 shores up the hydraulic integrity of the circuit for renewed TCC operation and control. Hardcoat anodized aluminum valve combats premature wear

Valve Kit