This is a quick and easy way to check the IWE components such as the solenoid, check valve, IWE actuator, and hoses on a Ford F150 to find out which one is causing the grinding, growling, or 4wd not engaging or staying engaged problems.
Mighty vac
https://amzn.to/3pbiIpr
IWE Actuator
https://amzn.to/2SCPxfP
IWE Solenoid
https://amzn.to/3lnEbse
IWE Check Valve
https://amzn.to/3jLDski
Blackhawk B6350 Black/Red Fast Lift Service Jack 3.5 Ton Capacity
https://amzn.to/3tNJ9rM
ProLifT T6903D Double Pin Jack Stands 3 Ton
https://amzn.to/45IU17z

737mechanic Amazon Store Front
https://www.amazon.com/shop/737mechan...