Question about 1996 Ford Explorer

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  • AKHAN117 Jul 14, 2009

    no leaks.... feels like air in line,,, any other thoughts




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You have air in the system, to clear you need to crack a line of the rack and pinon one side at a time slightly turn the wheel to the left with the line cracked until you get no air coming out. Shut engine down and fill pump reservoir and repeat for other side, once you have the air out shut engine off tighten hose to rack. Next start engine and turn steering wheel all the way to the left then all the wat yo the right this should clear all air out of system, be sure not to let fluid run out of power steering reservoir. When turning the wheel if it shakes you know you have air in the system once you have moved the steering wheel back and forth to full travel both ways it should clear up after 5 times of cycling if it does not you may have a defective power steering pump and I will tell you how to test after you have done these test. Just post here when you have done the test if it does not clear up.

Posted on Jul 14, 2009

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This happened to me in my car when the fluid was low. I would image that it would be noisy at lower speeds since resistance from the tires will be higher at low speeds. After using the car for a while did you notice any decrease in power steering fluid. If you do, you may try to fill it up as it may have taken time for the fluid to circulate the system. I would advise to have the engine bay cleaned when inspecting, check the underside of the car for leaks, you may also be loosing fluids. Check the power steering hoses if they are connected properly. If the hydraulics are ok we might be looking at issues in the gears. You may want to look at the box at the end of the steering column under the hood where the steering rack meets (Fluids do flow there so you may want to check for leaks there as well).

Posted on Jul 13, 2009

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What is wrong with this 2007 pontiac g/p no p/s at low rpms?

The power steering pump has nothing to do with it .
Variable Effort Steering System Description and Operation
The Variable Effort Steering (VES) system or MAGNASTEER?® Varies the amount of effort required to steer the vehicle as vehicle speed changes. At low speeds, the system provides minimal steering effort for easy turning and parking Maneuvers. Steering effort is increased at higher speeds to provide firmer steering (road feel) and directional stability. The Electronic Brake Control Module (EBCM) controls a bi-directional magnetic rotary actuator located in the steering rack and pinion. The EBCM varies the steering assist by adjusting the current flow through the actuator to achieve a given level of effort to steer the vehicle. The VES system accomplishes this by adding or subtracting torque on the input shaft to the rack and pinion. The main component of the system is an electromagnetic actuator, which consists of a multiple-pole ring-style permanent magnet, a pole piece, and an electromagnetic coil assembly. The VES system uses the ABS wheel speed sensor inputs to determine vehicle speed. When the EBCM senses wheel speed, it commands a current to the VES actuator that is most appropriate for each speed. The EBCM commands current from negative two amps to positive three amps to the actuator, which is polarized. At low speeds, a negative current is commanded, which assists steering. At medium speeds no current is commanded and steering is assisted by hydraulics only. At high speeds, a positive current is commanded, which creates steering resistance. Ignition voltage and ground are provided through the EBCM. The EBCM has the ability to detect malfunctions in the actuator or the circuits to the actuator. Any malfunctions detected will cause the system to ramp to zero amps and steering will be assisted by hydraulics only and setting a DTC.
Your best bet is take your vehicle to a GM dealer or a ASE certified repair shop that knows about this system .

Mar 14, 2016 | 2007 Pontiac Grand Prix

1 Answer

I have a 2000 gmc 2500 I recently replaced my power steering pump and have trouble turning at low speeds I replaced my steering geat today and still have the problem

See if you have "variable assist power steering" with a malfunction. A solenoid may be mounted on the steering rack, provides less PS at higher speeds, full power steering capability at slow speeds or when stopped. Your belt is tight for the pump?

Aug 31, 2013 | GMC Cars & Trucks

1 Answer

NEW RACK & PUMP: Steering is still hard at slow speeds. Why?

If the belt is slipping it would do even more so at higher rpms. Plus it would be harder to tell if it is slipping at high speeds due to the fact that just about all rack and pinion systems steer easier at high speeds.
My best guess would be air in either the lines or pump. Driving will not remove the air as it is a sealed system.

Jul 08, 2013 | 2005 Ford Freestar

2 Answers

Power steering goes hard when turning

check th ps pump for a fault

Dec 30, 2012 | Cars & Trucks

1 Answer

2004 dodge ram 1500 power steering problem

this problem is evident in vehicles that have a strut suspension
at the top of the strut there is a plate that is the top plate for the suspension coil spring
above that plate in the rubber bush is a bearing
if that bearing has failed then the plate will not turn and when you turn the steering wheel the power steering is in effect winding up that coil spring
that makes low speed turning very heavy on the power steering system especially at low rpms
have the front suspension checked for that bearing failure ( both sides ) by an accredited suspension specialist shop
standing stationary and turning the wheel you may even hear a creaking or groaning noise as the spring is flexing on the strut
if you do not have a strut suspension , take it to a power steering specialist shop for a proper diagnosis

Apr 11, 2012 | Cars & Trucks

1 Answer

Noise while driving and turning. How to tell if the power steering pump is starting to fail?

power steering pumps can be noisey for years without actually failing but in saying that, the longer you let the pump whine the more metal will be going into your rack causeing premature rack replacing. if the level is ok and it whines then the pumps on its way out

Feb 03, 2011 | 2004 Volkswagen Passat

1 Answer

The steering in my 98 Buick Century is hard to turn at low speeds. Is this a steering pump issue or the rack and pinion?

Your PS pump is fine.

This vehicle has:

Variable-assist power steering: A power steering system that uses valves and speed sensors to vary the amount of steering assist according to engine or road speed. At slow speeds more steering assist is delivered and steering the wheels is easier; necessary for parking, etc.. At higher speeds, steering assist is reduced and more steering effort is required to steer the car, giving the driver greater feel of the road. Also known as Speed-sensitive power steering.

Loss of current to the magnetic coils would cause a loss of power assist at low speed. Coil resistance can be checked with an ohmmeter, and should read about two ohms. An infinite (open) reading indicates a bad coil (requires replacing the rack since the coils are not serviceable). Checking for shorts between both sides of the coil assembly and rack housing is also recommended.

Best wishes

Jan 01, 2011 | 1998 Buick Century

1 Answer

When i turn right i lose power assist, it's ok turning left. 1999 GMC sierra

the steering Rack and Pinion unit is defective, no other part causes this problem.. here is the part number, these are good units.

A-1 CARDONE Part # 221000 {[Rack & Pinion] Complete Unit; Reman.}
Reman.; Hydraulic Power Steering; RWD; Includes Inner Tie Rods $207.00

Sep 07, 2009 | 1999 GMC Sierra

1 Answer

Power steering acts like its low on fluid at an idle. Rack & pinion & pump are a year old. I have an inline filter installed. Removed filter to see if it was pluged, no difference. Plenty of fluid...

Was it a reman pump and rack? You most likely have a problem with the pump again. If it is hard to steer both ways, it will be the pump. If it is hard to steer only one way, it will be the rack.

Jul 28, 2009 | 1999 Ford Windstar

1 Answer

Replaced rack and power steering pump, bled the system, no steering shutters low and high speeds and parking...jerry

try taking the vehicle out in the parking lot and cut the wheel to hard lock, apply light throttle and do circles to the left, stop cut the wheel to hard lock on the other side and repeat this three or four times, also you can apply throttle while in park and rotate steering wheel lock to lock many times, the explorers are known for having air trapped in lines,try this and let me know.

Jul 14, 2009 | Ford Explorer Cars & Trucks

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