Doing an alignment for a strut change?
Well, having alignment checked or alignment done for anything you suspect might have it out, certainly doesn't hurt, so I won't recommend against it. As well, wear or rough use can put an existing alignment out, needing a realignment without removing and replacing any suspension pieces.
But, you don't need an alignment for any or every suspension piece replacement or maintenance.
It depends if the work done altered the adjustments, or changed the suspension geometry in a way to change the alignment.
On MacPherson Strut Suspension cars, that the strut acts as the upper control arm of the suspension, replacing the strut without a doubt requires an alignment.
The Commander and many others are NOT true MacPherson Strut Suspensions, arguably we are using the wrong term when we call the Commanders front shock that is a spring over shock configuration, a "Strut". Just as much argument its a valid term as well.
On the Commander, you can replace the shocks front/rear without needing an alignment, unless you replace additional pieces that would affect the alignment adjustments or suspension geometry. Sure, the front suspension could sag a bit and new struts with new strut mounts can bring it back up to original ride height. If the alignment was done at the original ride height, then bring it back just brings it back to the original alignment.
Lift kits, especially on IFS will change the suspension geometry and almost always require an alignment done.
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