Originally Posted by rickq
Yes I rebuilt the pump and put a 13 vane pump instead of the 10 vane,all new seals, new steels and clutches,new reverse drum,corvette servo,input shaft and drum, new solenoids, just about everything is new(could have bought a rebuilt cheaper)but what the hell,it was my first one!! the first hundred miles where great!!
You replaced plenty of parts. But you missed something.
The pressure should increase with throttle.
The PCS may be faulty. The AFL valve may be worn out.
Boost valve not fully installed in the pump
time to check a few items inside the pan