Question about 2000 Dodge Durango
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Posted on Jan 02, 2017
SOURCE: steering hard
this is going to be a power steering pump or rack, i would replace the pump, but it will be one or the other sorry no simple fix let me know what happens thanks
Posted on Jan 18, 2009
replace the power steering sensor, 30 bucks at NAPA, I had same problem and now I have O2 sensors bad because the power steering fluid pressurized the electrical lines and killed the O2 sensors
Posted on Aug 31, 2009
There is a switch that senses the pressure of the hydraulic fluid which reflects how hard It's working (e.g. like when turning at low speed or when stopped). It then opens the switch (which is normally grounded) and a wire to the power train controller senses that and increase the idle speed accordingly so the engine does't falter. Here is an exchange I had earlier with another owner about it.
"The switch is located on the back side of the power steering gear. It is supposed to raise the idle speed when you are turning the wheels at low speeds when the system will require more pressure and thus otherwise drag down the idle. The wire to the switch is dark blue/light green (signal) and a black ground; and the signal wire goes to pin 45 of the powertrain control module. So you might check the connector at the switch and the connection to pin 45 of the controller, from pin 2 of the plug...
All I can add is that if you locate the two high pressure lines that run to the steering gear from the power steering pump you will find the switch right next to where those two lines connect to the gear. It no doubt just screws out and then install the new one. The manual says that you remove the electrical plug, lifting the locking tab carefully. Then it says to use a crowfoot wrench and extension to remove the old one. The steering fluid will run out so be prepared to clean catch it, and be ready to screw in the new one to minimize loss. If you catch the fluid in a clean pan you car reuse it. The torque spec with a crowfoot wrench is 12 foot pounds and you have to be careful not to exceed the limit or you may ruin the fine hydraulic threads on the steering gear and then you have a potentially expensive problem. So if you can't get a crowfoot that fits the sensor (when you buy the replacement you can see what the size it) and don't have an extension and a torque wrench you may want to let the shop do it. Make sure the electrical plug is in place with the locking tab engaging the tab on the switch. Refill the power steering reservoir. Start the engine and then turn the steering wheel from lock to lock several times to bleed the air from the system. Use only Chrysler power steering fluid if you loose some of it."
I doubt it has anything to do with the fluid, unless the code started right after that. If the wire seems OK, then the question is the switch stuck open (measure that) or is the pressure really too high when you are driving at normal speed or not even turning the wheel. That would have to measured with a gauge. Good luck and keep me posted, be glad to know you got your Durango running 100% again. You can buy the Power steering pump control valve at Pep boys.
Posted on Nov 11, 2009
The power steering pressure switch is threaded onto the high pressure hose that runs from the pump to the steering rack and pinion gear.
There are two hoses connected to the pump. Follow the high pressure line until you come to the switch, unthread it and install the new one. Fairly easy to do on this one. A little thread seal might be a good idea.
There may be some spillage so have a drain pan ready under the truck and have some new fluid ready to top it up afterward.
Just in case you are curious why the switch is needed I will give you the reason.
Your steering pump is driven by the engine so it does take a little horsepower. When turning it uses a little more power. So the switch sends a signal to the computer to bump the engine power up a little to compensate for the turning load. Keeps the engine speed from going erratic and/or stalling.
Posted on Nov 29, 2009
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