Navigator 4WD V8-5.4L DOHC VIN R (2001)
Oil Pan: Specifications
Tighten the bolts in three stages, in the sequence shown.
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Stage 1: Tighten to 2 Nm (18 inch lbs.).
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Stage 2: Tighten to 20 Nm (15 ft. lbs.).
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Stage 3: Tighten an additional 60 degrees.