Ford Ranger Maintaince And Repair Manual page 485

Use a ball type cylinder hone to remove any glaze and provide a new surface for seating the
Pistons and Connecting Rods
Only pistons with the wrist pin retained by C−clips are serviceable by the home−mechanic. Press fit pistons
require special presses and/or heaters to remove/install the connecting rod and should only be performed by a
machine shop.
All pistons will have a mark indicating the direction to the front of the engine and the must be installed into
the engine in that manner. Usually it is a notch or arrow on the top of the piston, or it may be the letter F cast
or stamped into the piston.
Most pistons are marked to indicate positioning in the engine (usually a mark means the side
C−CLIP TYPE PISTONS
1. Note the location of the forward mark on the piston and mark the connecting rod in relation.
2. Remove the C−clips from the piston and withdraw the wrist pin.
REFINISHING
HOW TO USE THIS BOOK
piston rings
facing the front)
479