Free repair checklist
Change Your Mustang Coyote's Oil — 8mm Hex Drain Plug and 8 Quarts
The 2015 Mustang 5.0L Coyote has a hex drain plug — not a standard bolt — and takes 8 quarts of 5W-50 full synthetic, not the 5W-30 shops often substitute. This free guide covers the 8mm Allen drain, the 32mm cap wrench for the filter housing, and the full procedure so you do it right and
This checklist is a practical starting point. The DIY Mechanic System gives you a clearer path to diagnose the problem, plan the job, and complete the repair.
What this checklist covers
- 8 qt 5W-50 full synthetic — the exact Ford-spec quantity and grade for the 5.0L Coyote Gen 2 engine
- 8mm Allen drain + 32mm cap wrench — the two specialty tools the Mustang oil change actually requires
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