4x4 front hub
I'm familiar with Ford's vacuum actuated front hubs on their 4x4s and was able to add an EGR solenoid into the system that can be energized to prevent the hubs from engaging on rare occasions when I want 2wd low range. Not that it is a big deal but I thought it was kind of a neat mod and it only cost $15. Anyway it got me wondering how GM and Ram hubs work .... I think GM hubs are engaged 100% of the time? Does Ram have auto hubs?
Edit: For those interested in performing this mod on the 2017+ Fords here are some pics that might help:
The factory solenoid is left untouched:
This vacuum line is unplugged from the the vacuum manifold located by the windshield washer reservoir and plugged onto the output of the solenoid being added:
New solenoid being added:
Additional piece of vacuum line going from the input of the added solenoid to vacuum manifold:
This is a filter that I removed from what I'm calling the output port of the added solenoid and transplanted to the shown location:
Link All though this solenoid seems to work fine it has slightly smaller ports than what would be ideal ... I'm sure someone could spec a better choice.
Edit: For those interested in performing this mod on the 2017+ Fords here are some pics that might help:
The factory solenoid is left untouched:
This vacuum line is unplugged from the the vacuum manifold located by the windshield washer reservoir and plugged onto the output of the solenoid being added:
New solenoid being added:
Additional piece of vacuum line going from the input of the added solenoid to vacuum manifold:
This is a filter that I removed from what I'm calling the output port of the added solenoid and transplanted to the shown location:
Link All though this solenoid seems to work fine it has slightly smaller ports than what would be ideal ... I'm sure someone could spec a better choice.
