GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Sierra - 4WD
🢒
Engine
🢒
Engine Mechanical - 6.6L
🢒 Piston, Connecting Rod, and Bearing Removal
Tools Required
J 24270
Ridge Reamer
Rotate the crankshaft to place the piston at the bottom of the piston stroke.
Place a cloth on top of the piston.
Use the
J 24270
to remove the ridge at the top of the cylinder bore.
Remove cloth.
Remove cutting debris from the cylinder and piston.
Remove the connecting rod cap bolts. Set the bolts aside for use in plastic gauging if needed. New bolts will be used for final assembly.
Remove the connecting rod cap.
Remove the bearing insert from connecting rod.
Push piston assembly out of cylinder.
Reassemble the connecting rod bearing, cap, and bolts upon removal.