Sorento 2WD V6-3.5L (2005)
2. Push each piston connecting rod assembly toward the top of the cylinder.
INSPECTION
PISTONS AND PISTON PINS
1. Check each piston for scuffing, scoring, wear and other defects. Replace any piston that is defective.
2. Check each piston ring for breakage, damage and abnormal wear. Replace the defective rings. When the piston requires replacement, its rings
should also be replaced.
3. Check that the piston pin fits in the piston pin hole. Replace any piston and pin assembly that is defective. The piston pin must be pressed
smoothly by hand into the pin hole (at room temperature).
PISTON RINGS
1. Measure the piston ring side clearance. If the measured value exceeds the service limit, insert a new ring in the ring groove to measure the side
clearance. If the clearance still exceeds the service limit, replace the piston and rings together. If it is less than the service limit, replace only
the piston rings.
Piston ring side clearance
No. 1: 0.04 - 0.08 mm (0.0016 - 0.0031 inch)
No. 2: 0.02 - 0.06 mm (0.0008 - 0.0024 inch)
2. To measure the piston ring end gap, insert a piston ring into the cylinder bore. Position the ring at right angles to the cylinder wall by gently
pressing it down with a piston. Measure the gap with a feeler gauge. If the gap exceeds the service limit, replace the piston ring.
Piston ring end gap
[Standard dimensions]
No. 1: 0.2 - 0.3 mm (0.0079 - 0.0118 inch)
No. 2: 0.45 - 0.60 mm (0.0177 - 0.0236 inch)
Oil ring side rail: 0.2 - 0.7 mm (0.0079 - 0.0276)
When replacing the ring without correcting the cylinder bore, check the gap with the ring situated at the lower part of cylinder that is less worn
out.
PISTON RING SERVICE SIZE AND MARK
NOTE: The mark can be found on the upper side of the ring next to the end.
CONNECTING RODS
1. When the connecting rod cap is installed, make sure that the cylinder numbers, marked on rod end cap at disassembly, match. When a new
connecting rod is installed, make sure that the notches holding the bearing in place are on the same side.
