Sonnax Oversized Pressure Regulator Valve

Product Desc: Sonnax Parts
Part No: -- 77917-07
Transmissions: -- 4L60E 4L65E 4L70E
Package and Weight
Package Quantity: -- 1 ea
Base Price:
Product Description
Part Information
Helps cure: Erratic line pressure - Low line rise - 3-4 Clutch failure - Excess pump noise - Reverse chatter.
  • Refurbish the pump cover by reaming the bore and installing an oversized pressure regulator valve:
  • The pressure regulator valve helps restore control over the pressure regulating circuit by eliminating leakage:
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