russcomer

When I accelerate after I'm already moving I get this grinding from the front end only when I accelerate though once I let off it goes away and it's only in 2wd it goes away with 4wd. I've replaced the iwe solenoid 3 times so far and two check valves. The actuator on the drivers side is brand new and that's where it sounds like it's coming from. I know it's a loss of vacuum somewhere. Is there something I'm missing here? Has anyone else had this issue? Thanks for any responses In advance

CSprain

Check this out, it may help. You might already know all this though. Just give it a watch.


https://m.youtube.com/watch?v=zqihvBDPEZc

russcomer

I've replaced the front end with all brand new Ford OEM hubs and accuators on both side replaced the IWE solenoid with ford OEM the only thing I havent done is replace the vacuum lines, has anyone else ever had similar issues?

stephens95

On my 2005 I had to replace both actuators, both hubs, the vacuum lines and I changed the iwe solenoid with the updated one just to be safe.

After removing the actuator and hub from the driver side I found the vacuum line split on the back side. I blame this on the "professionals" that installed the lift and didn't put any lines back the way they should be put in.

The new vacuum lines cost me $98 from my local ford dealer. They had to order it but it was there next day.

Check the vacuum lines multiple times.
I spent about an hour looking at the lines and still missed it until I pulled everything apart.

lewissa81

A vacuum pump/gauge will help. Along with checking the lines, check the vacuum reservoir behind the battery. If it's leaking, you'll have issues like you're experiencing.