One of my friends has a 2006 Hyundai Sonata that allegedly needs upper control arm bushings. The dealership wants $400 for the bushings and an alignment.

I'm fairly certain they said the cost was for the bushings (both sides) only. My question is "why not replace both upper control arms instead of just the bushings?"

The 3.3L V6 has about 78k miles on it.

Fortunately, I've yet to replace those parts on any of my rides over the years.
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2014 Nissan Altima SL
Pennzoil Ultra/Purolator Syn Filter

2005 Highlander V6 -
Green Earth Technologies 5w-30/M-1 filter/Amsoil ATF & gear lube