I just had a new steering rack, and pump installed. Now intermittently, and usually in a parking lot (slow speed) the steering gets hard the same way it did when pump was leaking and out of fluid. Originally I thought this was due to improper purging and air pockets, but it persists after weeks. Any ideas? ... could the tension be off on the serpentine belt, would this cause intermittent hard steering?
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.
SOURCE: power steering rack leaking
If it's coming from the rack, check the rubber boots from the rack to the inner tie rods, and if they are soaked with fluid, you will need a new rack, or keep adding fluid to the pump as needed.
Hope this helps!
SOURCE: leaking hose in between power steering pump and rack and pinion
I agree with snowboard. Another name for the line wrench is "tubing wrench". It looks like a common boxed end wrench with six "points" or places of contact inside the boxed end but has a slot cut in it so it will slip over the metal tube part of the hose. Using this type of wrench you are less likely to "round off" the shoulders of the tubing nut. You won't be able to have the hose fixed. Well, you CAN, but it's much cheaper to buy a new one. I believe they're around $20.00 or so.
If the nut is recessed or some sort of wierd shape, try going to the dealership and talking to a mechanic. I've talked them into renting me a specialized tool. Some of the larger auto part supply stores also rent tools for a small fee. I think what you will need is the tubing wrench. Spend a few extra dollars and replace both hoses while you are getting greasy. That way you won't have to bother with it again for quite a while.
SOURCE: replaced rack and power steering
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.
SOURCE: 2003 expedition replaced p/s pump and steering
WARNING BEFORE DOING THIS PROCEDURE BECARE IF YOU HAVE LONG SLEEVES - JEWRELY- LONG HAIR- KEEP IT AWAY FROM DRIVE BELT. YOU NEED TO BLEED POWER STEERING SYSTEM.WITH FRONT WHEELS IN THE STRAIGHT AHEAD POSITION.CHECK POWER STEERING FLUID.IF LOW ADD FLUID UNTIL FLUID REACHES COLD MARK ON THE DIP STICK.START ENGINE RUN IT FAST IDLE.THEN CHECK POWER STEERING FLUID AGAIN.PUT POWER STEERING PUMP COVER CAP BACK ON.WITH ENGINE RUNNING TURN STEERING WHEEL SIDE TO SIDE.WITHOUT HITTING A STOP.THIS WILL WORK AIR OUT OF SYSTEM.KEEP THE RESERVOIR FULL OF FLUID AS THIS IS DONE.WHEN THE AIR IS OUT OF SYSTEM.RETURN THE WHEELS TO THE STRAIGHT AHEAD POSITION.LEAVE VECHICLE RUNNING FOR SEVERAL MINUTES BEFORE SHUTTING OFF VECHICLE.ROAD TEST VECHICLE.MAKE SURE IT FUNCTION CORRECTLY FREE FROM NOISES.
SOURCE: Hi there, I am having a problem with steering
Ok there's a few possible cause for this:
Leak from the shaft/spline where the steering column mounts to it. Could be caused from the rack having been through accident trauma and the column hitting or slightly bending the shaft.
Check the seals and boots on the end of the rack....Could be perished.
Porus or, slightly cracked casting?
Gasket on servicable cover NS
Also check that the hoses are dry all the way down and that there is no weeping around all joins. Hydraulic sealant should be used when fitting new hoses and this can take up the slack of tolerances. The rack will get hot and at temperature, its could be weeping from there.
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