Ford F150 Pickup. Instruction — part 1059

Fig. 146: Installing Timing Chain Tensioner
Courtesy of FORD MOTOR CO.

2. Rotate the crankshaft so the number one piston is at Top Dead Center (TDC) and the key is

at the 12 o'clock position.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

Fig. 147: Identifying Key At 12 O'Clock Position
Courtesy of FORD MOTOR CO.

3. If necessary, retract the tensioner pad retracting mechanism.

1. Compress the tensioner pad retracting mechanism.

2. Insert a retaining pin.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

Fig. 148: Retracting Tensioner Pad Retracting Mechanism
Courtesy of FORD MOTOR CO.

4. Turn the camshaft sprocket so that the timing mark is on the bottom of the camshaft.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

Fig. 149: Turning Camshaft Sprocket Timing Mark To Bottom Of Camshaft
Courtesy of FORD MOTOR CO.

5. Install the timing chain/belt, the camshaft sprocket and the crankshaft sprocket.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup