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Member
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Join Date: Jul 2017
Location: IL
Posts: 38
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Member
Join Date: Jul 2017
Location: IL
Posts: 38
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80w90 in rear diff
Hi All,
I had my first oil change at 45K miles for the rear diff. My Toyota dealership messed up and put 80w90 oil ( good chance conventional) in rear diff. I asked multiple times, and wanted original 75W85 oil. They even brought the cans, and said it is gonna cost $200. I said ok, please go ahead. Still they did what they believe is the best, at least they did charge much much less for this.
My question, do I need to worry about using 80w90? So far for 20 miles, no issues, felt a bit more responsive, but can be simply nothing.
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