Ranger 2WD V6-3.0L (2008)
Disassembly
1. CAUTION: Use a suitable ring expander to remove piston rings to prevent damage.
Remove the piston rings one at a time, starting with the top compression ring and finishing with the lower oil control ring.
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Discard the piston rings.
2. NOTE: Take note of piston connecting rod assembly and index-mark the connecting rod and the piston to make sure of correct orientation during
reassembly.
Using the special tool, press the piston pin out of the piston connecting rod assembly.
3. Remove the connecting rod from the piston.
4. Clean and inspect the connecting rod and the piston.
Assembly
1. Lubricate the piston pin and piston pin bore.
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Use clean engine oil.
2. NOTE: During assembly, the small end of the connecting rod must be heated to 232°-316° C (450°-600° F).
Using the special tool, press the piston pin into the piston and the connecting rod.
3. NOTE: Lubricate the piston and the piston rings with clean engine oil.
NOTE: Use a suitable ring expander to install the piston rings. Make sure ring end gaps are equally spaced around the circumference of the piston
