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How can you tell if the power steering pump has variable assist?
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.
The difference between a NV7 and a N40 rack and pinion?
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.
Has anyone ever converted a 1977 ford f250 power assist steering over to power steering?
Power assist steering and Power Steering are the same thing, just difrent names from difrent Manufacturers.
How do you remove the variable assist control from the old power steering pump on a 1999 Pontiac Grand Am?
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
Which correctly describes speed sensitive variable assist steering?
Increases assist at highway speeds to increase maneuverability
Electrically what affects power steering on a 97 4wd suburban or can cause intermittent power steering?
Heavy electrical load and a badly worn and or loose belt that is slipping! There is a steering position sensor at the base of the steering column that tells the variable assist power steering how fast you are turning the steering wheel. When it gets faulty, there will be lurches and surges in the steering. Easy to replace, costs about $60 from GM.
Where is the power steering dipstick in a Malibu?
The steering assist is electronic not hydraulic, therefore there is not a dipstick nor reservoir for power steering.
Changed power steering pump so why wont the the windstar1999 steer properly?
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.
What causes intermittent power steering electrically on 97 suburbans?
One common problem is a faulty steering position sensor. This $60 sensor, located at the base of the steering column (inside the vehicle), tells the variable assist power steering how fast you are turning the steering wheel. When faulty, it will cause lurching and surging in the steering - feels like loose parts.
How Can driver use power steering when engine gets off suddenly?
You can't. The power steering is driven by the motor. If the motor stops, there is no power assist for the steering.
Could a bad battery cause power steering to fail?
no because power steering is a hydrollic assist system
What is a disadvantage of hydraulic power steering?
When the engine stalls you lose the power assist.
