L/U relay valve  OS A750 / A760E / A761E

L/U relay valve OS A750 / A760E / A761E Lockup Relay Valve Control Valve Spring End Plug Symptoms: Burnt converter Lube failures Overheating Shudder TCC apply codes TCC apply & release concerns Cause: Excess wear in lockup relay bore due to frequent valve stroking prevents proper hydraulic control of TCC, lube and cooler circuits. Correction: Recover hydraulic control and renew TCC/cooler/lube operation by reconditioning the bore and installing Sonnax oversized lockup relay valve kit. Required tool: F-147741-TL7