Main pressure regulator valve bore wear.
Oversize the bore with the Sonnax tool kit and install the Sonnax oversized pressure regulator valve kit with spring sleeve and custom spring
Three pump generations were produced, with varying casting hardness. The Sonnax reaming tool kit used must be matched to the hardness of the pump to extend reamer life and bore finish quality. Sonnax reaming tool kit F-36940-TL3 is for use with first generation pumps, while F-36940-TL3C can be used with all pumps regardless of pump generation. See instructions for details.
May 26, 2015
Topics: Diagnostics And Theory Transmission Report Newsletters Valve Body Reaming Transmission Ford 5R110W Transmission 6R140 TransmissionRead Now
Contact a Sonnax Parts Distributor.
A Wet Air Test at the balance end circuit and at the LPC/PCA solenoid circuit at the locations indicated results in leakage at the neighboring ports, or if a vacuum test at these two locations gives less than 18 of vacuum.