To double check the IWE's and the hose leading to them I used the vacuum line at the IWE solenoid to pull vacuum to both IWE's and it held at 19 in for 20 minutes, wheels spin without turning axles, until I disconnected my vacuum pump then the wheels are connected to the axle shaft as they...
2017 Expedition Limited 4wd. IWE's working properly. Vacuum working properly. Selector in 2H. Transmission in Park. Car running, front wheels on Jack stand, front tires spin free. Should the front drive shaft and axle shafts spin freely? Does the front differential disengage from the...
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