Sonnax 84754-34K TCC Regulated Apply Valve Kit for GM 4T65-E Transmission

The Sonnax 84754-34K TCC Regulated Apply Valve Kit is a precision-engineered solution designed to repair worn torque converter clutch (TCC) regulated apply bores in GM 4T65-E automatic transmissions. This kit addresses common hydraulic failures that cause TCC slippage, diagnostic trouble codes, and performance issues.

Key Features:

• Includes durable wear-resistant sleeve that provides superior valve support compared to original aluminum valve body casting
• Corrects TCC signal (PWM) oil and TCC regulated apply oil leakage caused by bore wear
• Resolves TCC slip conditions and diagnostic trouble codes including code 741 and occasional ratio codes
• Restores proper apply pressure to prevent torque converter clutch slippage
• Requires Sonnax tooling 84754-TL3 for proper installation (sold separately)

This valve kit is engineered to provide a long-lasting repair for 4T65-E transmissions experiencing TCC-related concerns. The included sleeve is significantly more durable than the factory valve body casting and prevents future wear. Professional installation recommended with proper bore preparation using Sonnax tooling.