For a oil change on a "99" vehicle that calls for 5W-30 on the oil cap and, in the manual: Why would a tech use API - SAE 5W-20?

Mr. P. Cofer | Sep 19, 2018 | Category: Car repair and maintenance service

Firestone Complete Auto Care - All questions

Address: 2098 New Castle Ave, New Castle, DE 19720, USA

Beverly Rice | Sep 19, 2018

Never had my oil changed there.

Mr. E | Sep 19, 2018

I don't know. Should have been what the manual said.

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