Aviator 2WD V8-4.6L DOHC (2003)
4. Install the camshaft spacer, washer and bolt, and hand-tighten the bolt.
5. Install the camshaft gear, washer and bolt, and hand-tighten the bolt.
6. Tighten the bolts in two stages:
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Stage 1: Tighten to 40 Nm (30 ft. lbs.).
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Stage 2: Tighten an additional 90°.
7. CAUTION: Timing chain procedures must be followed exactly or damage to the pistons or valves will result.
Compress the tensioner plunger, using a soft-jawed vise.