Ford 2003 Mustang Workshop Manual page 1800

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Make sure the camshaft timing sprockets are positioned correctly.

25. NOTE: The LH is shown; the RH is similar.

NOTE: Lubricate the bolt heads and threads. Use clean engine oil.

Install the LH and RH cylinder heads and tighten the bolts in six stages in the sequence shown.

Stage 1: tighten to 40 Nm (30 lb-ft).

Stage 2: tighten an additional 90 degrees.

Stage 3: loosen the bolts a minimum of one full turn.

Stage 4: tighten to 40 Nm (30 lb-ft).

Stage 5: tighten an additional 90 degrees.

Stage 6: tighten an additional 90 degrees.

CAUTION: Timing chain procedures must be followed exactly or damage to valves

and pistons will result.

Compress the tensioner plunger, using a vise.

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