Question about 2002 Mercury Mountaineer

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Whine coming from the left front of engine. Sounds just like its low on power steering fluid but it is full. Could this be the water pump?

V8 Engine

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Could be a water pump bearing ---idler puller pulley bearing---power steering pump bearing or gears --alternator bearings. Get a mechanic stethiscope from a auto spare shop and carefully place the tip on the housing of the units. If you hear a steady buzz then the bearing will be ok but if you hear a low grumble then that unit's bearings are on the way out.

Posted on Jan 02, 2014

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Posted on Jan 02, 2017

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SOURCE: 2000 Mercury Sable Ball Joint?

wheel bearing. Lift the car so the wheel is not supported and twist it up nd down,, then right and left. You will feel the play.

Posted on Aug 05, 2008

reisdos
  • 1297 Answers

SOURCE: power steering fluid foaming & backing up out

that is signs of a leak
most likely cause is the rack

first start by draining the pump by removing the lower hose that is attached with a hose clamp

then refill and bleed

I suspect the foaming will return within a day

Posted on May 21, 2010

  • 228 Answers

SOURCE: 2002 mercury sable power steering

Bad steering rack, or bad spoolvalve,in rack. leaky pressure between cylinder & piston in the rack. Check A/C PRESSURE SWITCH,UNPLUG SEE IF CHANGES POWER STEERING EFFORTS.

Posted on Sep 16, 2010

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1992 lexis car replaced thepowersteering pump now it won't turn at all


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Terrible whining in the steering? What could this possibly be?


Thank you for the inquiry.
For some reason power steering fluid does get contaminated and needs to be replaced. Worst case the fluid is low and you are hearing gear whine. It's a known issue with this pump to whine when the PSF is contaminated. Needs to be checked and serviced.
Here is a procedure for you Do It Your-self-ers:
You can easily change the fluid yourself, and save a ton of money.

If you follow the lines that go from the steering rack to the cooler located around the radiator area, there's a hose that comes out of the cooler, and connects with a hard line right above the left front frame rail. The connection is a simple spring clamp.

Easy but fairly messy to change. Engine OFF, lift the front of the car to get the front wheels off the ground, put a pan under the hose line, and pulled it loose from the hard line. The bad fluid will drained out, then slowly turn the wheels from side to side a bunch of times to pump out all of the fluid from the rack. When all of the fluid is out, reconnected the line, then fill the fluid reservoir with a high quality Power Transmission Fluid. You can again, turn the wheels side-to-side to get the new fluid into the rack. Then, start the car, again turning the wheels side to side. Top off the reservoir, and should not have any more noise from the power steering pump. It will take a little less than a full quart to completely refill the system.
Kind regards,
TF

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Whine usually occurs on tight turns maximising pump output and/or pump may be worn and needs replacement. Leakage can be from pump reservor,connection, or power rack and pinion steering assy. Spray off any area with a sign of fluid with a brake clean or carb. cleaner and look for signs of leakage.

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