Knowing why the adjustment is required is critical to performing the total alignment.
To get the most out of these “liquid” tools, you first need to know how they work.
We’ve all had screws and other fasteners that just refuse to budge. Years of corrosion, heat cycling, and gunk buildup due to weather exposure and normal vehicle operation can literally freeze a screw in place. And we can guarantee the screw head will strip if you use too much force trying to remove it. But
The engine management system does not know there is a crack in the manifold.
Andrew Markel discusses replacing fasteners on suspension and wheel hub components, and the importance of keeping the bolts clean upon re-installation. Sponsored by FAG, a Schaeffler brand.
The desired result of tightening a fastener is to obtain a proper clamping force between parts. The clamping force prevents loosening when the vehicle is in use and external forces act on the clamped parts.