Evening Friends.
I took my truck to my local shop to get a laser alignment today and I gave them the Thuren specs for my model year (2017 2500). The big thing I wanted was to zero out the total toe, which they said they did but they didn't/would not provide a printout of the before/after secs (red flag). They claimed that my front end was towed OUT when I brought it in which is opposite of what I thought given the wear on the outside of my front tires.
Anyway, for now I'll take their word for it. But they also adhered to the lower threshold for caster and when I got the truck back the steering felt too light and road feedback was vague. So I crawled under the truck and adjusted the caster bolts back (towards the rear) to increase caster. I did it a few times in small increments (equal change on both sides)until it felt right to me. It started off dead nuts center of the cam range, and I ended up turning it 1.5 "ticks" on both sides.
The question is: assuming the toe was in fact zero'd out and they didn't just make my problem worse...would adjusting total caster a few degrees in the positive direction affect my total toe? I don't think it would, but I'm not positive with this geometry. At this point I have so little trust in shops that I will adjust the toe myself if I start to see outer tread wear. They also didn't get my steering wheel back to center afterwards. Overall a little bummed, but I guess I should have done it myself from the start anyway.
After my adjustment, the truck drives nicely and doesn't pull. And the steering feedback feels about right (except the off-center thing) only variable is tread wear pattern which will take time to see.
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