Ford F150 Pickup. Instruction — part 855

Fig. 332: Marking Links On Both Ends For Timing Marks - 4.6L
Courtesy of FORD MOTOR CO.

4. Install the crankshaft sprocket, making sure the flange faces forward.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.6L & 5.4L - F150 Pickup

Fig. 333: Installing Crankshaft Sprocket - 4.6L
Courtesy of FORD MOTOR CO.

5. Install the timing chain guide.

1. Position LH timing chain guide.

2. Install and tighten the bolts.

3. Position the RH timing chain guide.

4. Install and tighten the RH bolts.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.6L & 5.4L - F150 Pickup

Fig. 334: Installing Timing Chain Guide - 4.6L
Courtesy of FORD MOTOR CO.

CAUTION: Unless otherwise instructed, do not rotate either the

crankshaft or the camshafts, when the timing chains are
removed and the cylinder heads are installed. Severe
piston and valve damage will occur.

NOTE:

The number one cylinder is at Top Dead Center (TDC) when the
stud on the engine block fits into the slot in the handle of the
special tool.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.6L & 5.4L - F150 Pickup

Fig. 335: Positioning Crankshaft & Number One Cylinder At TDC - 4.6L
Courtesy of FORD MOTOR CO.

6. Using the special tool, position the crankshaft so the number one cylinder is at TDC.

7. Remove the Crankshaft Holding Tool.

8. Position the LH (inner) timing chain on the crankshaft sprocket, aligning the copper

(marked) link with the timing mark on the sprocket.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.6L & 5.4L - F150 Pickup