F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
Position the crankshaft with the keyway at the 12 o'clock position.
4. Install and fully tighten the special tools on both camshafts.
5. Remove the timing chain tensioning system from both timing chains.
1. Remove the bolts.
2. Remove the timing chain tensioners.
3. Remove the timing chain tensioner arms.
6. CAUTION: Unless otherwise instructed, at no time when the timing chains an removed and the cylinders heads are installed is the crankshaft or
camshaft to be rotated. Severe piston and valve damage will occur.
Remove the RH and LH timing chains and the crankshaft sprocket.
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Remove the RH timing chain from the camshaft sprocket.
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Remove the RH timing chain and from the crankshaft sprocket.
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Remove the LH timing chain from the camshaft sprocket.
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Remove the LH timing chain and crankshaft sprocket.
