Sonnax TCC Apply Valve Kit

Product Desc: Sonnax Parts
Part No: -- 77805E-K
Transmissions: -- 4L60E 4L65E 4L70E
Package and Weight
Package Quantity: -- 1 ea
Base Price:
Product Description
Part Information
Fits PWM units only.
Helps cure: No lockup - Code 894, 1870 - Falls out of lockup when hot - Fluid blown out fill tube - Lockup immediately after 2nd gear.
  • Updated stroke pressure eliminates TCC drift on apply and updated exhaust control:
  • PTFE seal eliminates cross leaking of converter signal oil and converter feed oil:
  • Sonnax kit works in both early- and late-style PWM pumps when used with included spring:
Part Contents
  1. Valve Aluminum:
  2. Seal PTFE:
  3. Spring:
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