I have little-to-no knowledge about vehicles/repairs and I am hoping someone can help me understand a situation that occurred at an auto shop today. So I have a 2014 Chevy Spark that I have always religiously taken to my local Chevy dealer between 4,000-5,000 miles for oil change and tire rotation. I recently moved to a new state and had to find a new shop. There is a well-known auto shop chain right down the road so I went this A.M for a maintenance bundle including oil change and tire rotation. After a little while the guy called me up and said “We cant do a tire rotation today because your back tire is legally balled. If you replace your back tires then we will rotate them.” He showed me my options on tires but I didn’t feel right spending $700+ bucks without doing my own research on pricing and what not. The guy says they will leave the bad tires in the rear and not rotate them because they are “legally balled.” I was kind of embarrassed so I just paid (for the entire bundle maintenance deal that included tire rotation and 2 silly filters that I always get talked into :-[) and left.
Now I’m sitting here looking at my papers from the shop and at online stuff and Im feeling like they should/could have rotated my tires–but again I am so clueless with everything auto that I could be totally wrong. My paper work says my Left and Right Front tire tread is 5/32, my Right rear is 4/32, and Left rear is 2/32. I am gathering from online the better tread should be in the back, no? Do mechanics typically refuse to rotate tires like these? I am definitely going to get new tires but I don’t like feeling like I was deceived, nor do I want to buy my tires at that shop if they led me astray.
P.s. I did the “Penny Test” I found online and I could not see the top of Lincoln’s head so I’m hoping that means my tire will be okay until I shop around and purchase new tires?
Thank you in advance!