SECTION 303-01C: Engine — 5.8L (4V)
2014 Mustang Workshop Manual
DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIES
Procedure revision date: 01/07/2013

Piston


Material
Item Specification
Motorcraft® SAE 5W-50 Full Synthetic Motor Oil
XO-5W50-QGT 		WSS-M2C931-B


Item Part Number Description
1 6150 Piston compression upper ring
2 6152 Piston compression lower ring
3 6159 Piston oil control upper segment ring
4 6161 Piston oil control spacer
5 6159 Piston oil control lower segment ring
6 6140 Piston pin retainer
7 6140 Piston pin retainer
8 6135 Piston pin
9 6200 Connecting rod
10 6110 Piston

Disassembly

  1. Remove the piston rings from the piston.
  1. Remove the piston pin retainers and the piston pin.
  1. Separate the piston from the connecting rod.
  1. Clean and inspect the piston and connecting rod. For additional information, refer to Section 303-00 .

Assembly

  1. NOTE: The connecting rod must be installed into the piston with identification markings toward the front.

    Position the connecting rod in the piston.
  1. Lubricate the piston pin and pin bore with clean engine oil.
  1. Install the piston pin in the piston and connecting rod assembly.
  1. Install the piston pin retaining clips in the piston.
  1. Lubricate the piston and the new piston rings with clean engine oil.
  1. Install the piston rings onto the piston.