the Pump does not control this, it is internal to the steering gear system, usually a "Steering Rack"
Telling if or not will be a matter of getting the Steering Rack # and checking to see if it capable of variable boost.
You have more stuff in the system than just a pump. You have a steering rack that has valves in it that could be sticking. You may have a variable assist valve if you are equipped with variable assist steering. You have lines and linkages that could a have a problem. If you installed the pump, but did not make sure the pressure valve was not in place on the high pressure line, you may have a problem there.
NV7 is with Variable Effort Steering. N40 is with Non-Variable Effort Steering. Check the "Service Parts Identification" sticker for your car. Variable Effort Steering will have an electronic control valve on one side of the power steering pump with an electrical connector. The Variable Effort Steering "EVO" valve adjust the amount of power steering assist. It is intended to make the steering stiffer at higher speeds. This helps prevent the vehicle from wandering at highway speeds.
i just did a 1996 Pontiac grand am , and according to CAPS there are two separate power steering pumps for variable/non-variable steering ,so u need to verify which you have and look at the item b4 to make sure its the right one ,, why waste time ya know ---JAS
A power steering pumps as much as the power steering pump can pump.
Remove the power steering pump hose. Remove the power steering pump belt. Remove the power steering pump retaining bolts. The power steering pump will come off.
Power steering pump failure, has power brake assist line conected to it. It uses the power steering pump to bring hydraulic pressure to master cylinder.
Secure the power steering pump with the retaining bolts. Attach the power steering hose to the power steering pump. Put the belt on to the power steering pump. Fill the power steering system with fluid.
Remove the belt for am your power steering pump. Remove the power steering pump hose. Remove the power steering pump retaining bolts. Reverse the process to install your new power steering pump.
There is no power steering pump persay. It's a motor attached to the steering column called steering assist. You can pick up a steering column with this attached anywhere from $50-$500 from a recycle yard. New, check with your local dealer.
Drain the fluid from the power steering pump. Remove the power steering hose. Remove the wiring harness from the power steering pump. Remove the power steering pump retaining bolts. Reverse the process to install the new power steering pump.
Begin by removing the belt from your 1994 Chevy Suburban power steering pump. Remove the power steering pump hose. Remove the power steering pump retaining bolts. The power steering pump will come off.
Begin by removing the power steering pump belt. Remove the power steering pump hoses. Remove the power steering pump retaining bolts. Reverse the process to install your new power steering pump.