Ford F150 Pickup. Instruction — part 848

Fig. 304: Marking Links For Timing Marks - 5.4L
Courtesy of FORD MOTOR CO.

5. Install the timing chain guides.

2003 Ford Pickup F150

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

Fig. 305: Installing Timing Chain Guides - 5.4L
Courtesy of FORD MOTOR CO.

CAUTION: Do not turn the engine over with the Camshaft Alignment

Set or damage to the camshaft sprocket or the bolt can
occur.

2003 Ford Pickup F150

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

Fig. 306: Installing Special Tool
Courtesy of FORD MOTOR CO.

6. Install the special tool.

NOTE:

Slightly loosen the Camshaft Position Aligner tools to allow
slight camshaft movement.

2003 Ford Pickup F150

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

Fig. 307: Pre-Positioning Camshafts - 5.4L
Courtesy of FORD MOTOR CO.

7. Pre-position the camshafts.

1. Rotate the LH camshaft with the Camshaft Alignment Set until the timing mark is

approximately at 12 o'clock.

2. Rotate the RH camshaft with the Camshaft Alignment Set until the timing mark is

approximately at 11 o'clock.

Tighten the Camshaft Position Aligner tools to maintain camshaft pre-positioning.

CAUTION: Unless otherwise instructed, at no time when the timing

chains are removed and the cylinder heads are installed
is the crankshaft or camshaft to be rotated. Severe piston
and valve damage will occur.

CAUTION: Rotate the crankshaft counterclockwise only. Do not

rotate past position shown or severe piston and valve
damage can occur.

NOTE:

The number one cylinder is at Top Dead Center (TDC) when the

2003 Ford Pickup F150

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