Alignment - Caster - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 01-22-2006, 04:54 PM   #1
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Default Alignment - Caster

I took my car in for an alignment a couple days ago. I noticed when I got home that the specs for the caster were 2.5deg. min to 3.5deg. max and I was at 3.9 (FL) and 1.9 (FR) before and after. They made no adjustment to it. Is caster something that is normaly adjusted or are those specs not necessarily right? They said the alignment is warrantied for 6mo / 6000mi so I could go back and ask them whats up if this should have been adjusted. They did fix my toe-in problem and got my camber even more into the middle of its range.
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Old 01-22-2006, 05:28 PM   #2
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Caster can be adjusted... But 99.99% of the time there should be no reason to do so...

Caster, say you look at the 3 strut mount nuts at the top of the strut tower... The tilting of that mount foward and back would be Caster, and the actuall adjustment for it is very slim... In worst cases the holes can be drilled out a bit further to allow for the caster to be adjusted... But in most cases I don't think its needed...

As long as they got the Toe and Chamber in the acceptable areas than I think you will be good to go...

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Old 01-22-2006, 09:03 PM   #3
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Default caster

Yes two of the upper strut studs have slots but the rear does not.
To adjust caster they have to elongate the rear hole forward or back which is why they usually don't adjust it.
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