Ford F150 Pickup. Manual — part 1092

Fig. 277: Removing Ridge At Top Of Cylinder
Courtesy of FORD MOTOR CO.

CAUTION: The connecting rods and bearings are matched to

crankshaft journals. Make sure the components are
marked and installed in the correct location.

CAUTION: Each connecting rod and connecting rod cap are matched

sets. They will fit together only one way. Mark them
before removing.

CAUTION: Care should be taken not to damage the connecting rod

and the connecting rod cap fractured joint face surface or
engine damage may occur.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

Fig. 278: Removing Piston
Courtesy of FORD MOTOR CO.

39. Remove the piston.

1. Make sure the piston being removed is at the bottom of the cylinder bore.

2. Remove the bolts.

3. Remove the connecting rod cap and the lower connecting rod bearing.

4. Push the piston and the connecting rod out of the cylinder.

40. To protect the components, loosely assemble with two new connecting rod bolts.

CAUTION: Be careful to avoid damage to the cylinder wall when

removing the piston.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup

Fig. 279: Loosely Assembling Components With Connecting Rod Bolts
Courtesy of FORD MOTOR CO.

41. Repeat the piston removal steps for the remaining pistons.

Fig. 280: Removing Main Bearing Cap & Lower Crankshaft Main Bearing
Courtesy of FORD MOTOR CO.

42. Remove the four main bearing caps and lower crankshaft main bearings.

1. Remove the stud bolts.

2. Remove the main bearing cap and lower crankshaft main bearing.

43. Repeat the main bearing cap and the lower bearing removal steps for the remaining main

CAUTION: The crankshaft main bearings and the main bearing caps

are matched to the crankshaft journals. Make sure the
components are marked for position.

NOTE:

The third bearing from the front of the engine is the thrust
bearing.

2003 Ford Pickup F150

2003 ENGINE Engine - 4.2L - F150 Pickup