Question about 2006 Ford F-150
Fuses checked F11 4x4 solenoid, F29 & F30 PCM 4x4 pwr, F111 4x4 motor relays, all good. 12VDC present at IWE solenoid, Grd present at solenoid plug when 2wd selected & key in ON position. Solenoid activation & de-activation sensed by feel when switching between 2&4wd. Suction present at actuator side of vacume hose. These tests I believe prove the solenoid, GEM as well as vacume chamber and lines. With the key in the on postion the fwd drive shaft is free to rotate in 2wd and locks when 4wd is selected. I assume this prove proper operation of the transfer case. With the front wheels off the gound, engine off & tranmission in park both front wheels spin freely. What's next
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Posted on Jan 02, 2017
SOURCE: 2000 model F150 4wd. Issues
replace the 4 wheel drive acuator if in 4wd with selector and the wheels are still free then the acuator is bad even tho you 12v the acuator may not be pulling back to lock in the hub for 4 wd. simply replace it as their is a small spring on the acuater that over time becomes week and can no longer hold the presure that is created when it activated.
Posted on Aug 01, 2011
SOURCE: 2005 F150 4x4 hubs not engaging
First, You said you DID NOT check for voltage at the solenoid connector...I think that would be a real good idea.
Did you check to see if the vacuum lines actually had vacuum? Did you check to see if vacuum was present at the solenoid? Does the solenoid "click" when changes are made to the 4X4 controls? Did you check for Did you check that the vacuum from the solenoid to the axle actuator was being applied to the actuator?
Posted on Feb 28, 2012
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