I replaced my LH lower control arm on a 1999 explorer sport 2WD. I need to check my ride height, as i had to remove the LH torsion bar in order to make the control arm swap. I saw that Autozone has a "how to" on ride height adjustment, but it is unclear to m how to make this calculation:

1. Measure the distance between the center of the lower control arm bushing bolt and the ground. Record the measurement as dimension A.
2. Measure the distance between the lowest point of the steering knuckle (but not the ball joint) and the ground. Record the measurement as dimension B.
   
3. Subtract dimension B from dimension A for ride height.
   
4. For vehicles without ARC suspension, ride height should be 4.33-4.56 in. (10-16mm).

Do they mean to measure from a center point between the two bushing bolts to the ground?

Where is the steering knuckle?

How do you adjust the torsion bar to lower or raise the vehicle?

 

i have not done an explorer, but on the F150, the back of the torsion bar is under the drivers seat. thee is an adjustment bolt on a cam arm at that location. you screw the bolt in and the front of the truck rises, you back off on teh bolt and the truck drops. I would just measure the bottom of the fender well (center of the tire) to the ground. if you want one side higher, crank in the screw.

 

That measurement is not an accurate "ride height" as it doesn't take into consideration variation in the ground slope. You need a constant in the equation.

 

?????? anyone who adjusts torsion bars will tell you to put the truck on a flat spot like the street or drivway, then measure from the ground up to the bottom of the fender lip. you need to make sure you have the same tire pressure in each tire, and yes you do not do the measurements on a bad slope. any reasonably flat spot will work... do it all the time... you can also do this to raise the front end an inch or two to level up with the back end.