Ford F150 Pickup. Instruction — part 1055

Stage 1: Tighten the bolts to 5 Nm (44 lb-in).

Stage 2: Tighten the bolts to 35 Nm (26 lb-ft).

VALVE TAPPET

Material

Fig. 129: Material Specification
Courtesy of FORD MOTOR CO.

Removal

1. Remove the lower intake manifold. For additional information, refer to LOWER INTAKE

MANIFOLD .

2. Remove the valve cover. For additional information, refer to VALVE COVER RH and

VALVE COVER LH .

3. Remove the rocker arms.

1. Remove the bolts.

2. Remove the rocker arms.

CAUTION: If removing more than one valve tappet, mark the components

removed for correct location.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

Fig. 130: Removing Rocker Arms
Courtesy of FORD MOTOR CO.

4. Remove the push rods.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

Fig. 131: Removing Push Rods
Courtesy of FORD MOTOR CO.

5. Remove the valve tappet.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

1. Remove the bolts.

2. Remove the tappet guide plate and retainer.

3. Remove the valve tappet.

Fig. 132: Removing Valve Tappet
Courtesy of FORD MOTOR CO.

Installation

CAUTION: The components removed should be marked for location;

make sure the components are installed in the correct
location.

NOTE:

Lubricate parts with clean engine oil.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup