Mustang V6-40L (2008) Transmission Fluid Level Check | Service and Repair
12. Allow the fluid to drain. When the fluid comes out as a thin stream or drip, the fluid is at the correct level.
13. Reinstall the small (center) fluid level indicating plug using a 3/16-inch Allen key.
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Tighten to 10 Nm (89 lb-in).
