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I recently had an alignment done on my 2017 GS. They did not adjust the rear caster as they did not have the tool. I did notice after I got home that the left rear tire was @ 37 psi and the other 3 were @ 27. Will the differant tire pressures cause a mis-alignment?
Alignment is measured with the weight on the wheels / tires. With a 10 psi difference, that will affect the sidewall height of the tire and thus impart some error into the alignment measurements. And you always need to set rear caster when you do an alignment on a C7.
Alignment is measured with the weight on the wheels / tires. With a 10 psi difference, that will affect the sidewall height of the tire and thus impart some error into the alignment measurements. And you always need to set rear caster when you do an alignment on a C7.
Alignment Machines Cannot Measure or Display Rear Caster. That is why this Tool is needed.
4 wheel alignment question
