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Ford Everest The rfw of a 4 wheel drive is always on?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: 99 Ford Ranger xlt 4x4

I had the same problem w/ my 99. If you have auto hubs, they work off a vacuum pump which is located under your air filter box..check to make sure it is working..is that is working it's on to the hubs..the locking hubs are the black caps in the center of each from wheel..they snap on and off..hard to take off without breaking a few tabs..the seal one or both may not be holding the vacuum created by the motor under the airfilter box. if one of the hubs has a vacuum leak neither side will work, it's all or nothing..aside from the electric parts on the dash and side of transmition that's about everything there is to know about 1999 ranger four wheel system.

Posted on Mar 27, 2009

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  • 14 Answers

SOURCE: 4 wheel drive switch always on auto 4 wheel drive

need to take vehicle in to get scanned, if p0327 code is present and oil inside of encoder motor, will need a new encoder motor sensor and bearing, will have to remove the t-case to install.

Posted on Oct 05, 2009

  • 691 Answers

SOURCE: 1998 Ford Expedition XLT 4 wheel drive switch is frozen in 4H

solenoid switch that engages the 4WD more likely will need replacing. fairly cheap to fix replace.

Posted on Oct 11, 2009

sscullys
  • 984 Answers

SOURCE: 2005 ford f-150...4 wheel drive will not

Operationally vacuum holds the IWE ( Integrated Wheel Ends ) out, and once vac is removed the spring engages the IWE.

Lift and support the front of the truck so the front wheels are off the ground ( take safety precautions, chock wheels, jack stands, etc )
Key on, engage 4x4 and try to turn the front drive shaft.
If it turns it is a problem with the transfer case.
If it doesn't it is a front axle engagement problem.

- If the front drive shaft does not turn :
Shut of the truck ( still jacked up, and supported ) remove the vac lines from the IWE. The spring should push the gears in, without the vac line on.
Check the vent line ( tube that is routed into the engine compartment with nothing attached to it ), for blockages.
If the vent line is clear, and with the vac lines off the IWE should be engaged ( both front wheels locked ).
If they lock, the problem is with the IWE solenoid not shutting off vacuum to the IWEs. There is a TSB on the 2004-2006 IWE solenoids, a newer revision has been made, and used from 2007 and newer MYs.

Here is a block diagram of the IWE system
b3ce05f.jpg

Posted on Dec 20, 2009

lindsay836
  • 677 Answers

SOURCE: My 1999 Ford Expedition 4 wheel drive service

Usally these warning lights come on for a reason.
I would have someone plug a OBD II reader in and retrieve the code.
The code should be able to tell you specific information on why the light is on.
Until you find out I would not us the 4 wheel drive function.

Posted on Feb 07, 2010

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