Free repair checklist
Change Your Navigator's Oil for $45 — 3.5L EcoBoost Guide
Ford FL-500-S filter · 5W-30 · 6.0 qt · 26 lb-ft drain plug
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
- OEM part numbers included — Ford FL-500-S filter and correct 5W-30 fluid spec
- Done in under 45 minutes — step-by-step walkthrough for the 3.5L EcoBoost engine
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