[BLE 'BURBAN]

You never mentioned if you "bled the powersteering system or not when you changed out the pumps/gear box. If you didn't you'll be burning through pumps left and right.
The best way I've found to bleed the air out of the P/S system is;
1. After hooking up the pressure line and leave the return line off the pump leading into a bottle with about a gallon capacity.
2. Fill the reservior with Power steering fluid. Auto tranny fluid will work (DEXRON VI) but actual Power steering fluid is the best thing to use.
3. slowly turn the steering wheel lock to lock with the ignition off and the front tires off the ground just enough to have no resistance. Do this 3-4 times.
4. REfill the reservoir, and hook up the reurn line to the pump.
5. Start the engine and continue to turn the wheel lock to lock and keep an eye on the fluid level as it will go down as the gear box fills up.
6. The Screaming Banshee should start to subside after a few minutes but won't go away completely......YET.
7. Shut off engine, put the tires back on the ground and let it sit for a bit (15-45min).
8. Start it back up and take it for a short drive to see/hear how it feels/sounds.


Good Luck and Have Fun.