4C20 Gasoline Engine Repair Manual
power of a rubber mallet.
ÿ Be careful not to damage the cylinder wall and crankcase
from the connecting rod bottom head.
Clue:
1. Removing the connecting rod bolts and connecting rod caps
2. Removing the connecting rod bearing shells and arranging
them in groups for ease of installation.
5. Removing the first compression ring, the second compress
ion ring and oil scraper ring
Clue:
bearings.
(a) Remove the first compression ring, the second compression
ring, and the oil scraper ring with a piston ring plier. During
removal, make sure that the ring is evenly in contact with
the surface
puller grooves.
Note:
(a) Loosen the 4 bolts and remove the connecting rod bearing caps
ÿ Be careful. not to damage the connecting rod bearing shells
during removal. After removal, arrange the removed
connecting rods with bearings in groups according to the
cylinder numbers.
3. Removing the piston pin circlip and piston pin.
piston nics 1 and 4 cylinders.
ÿ Excessive stretching or twisting of the piston ring can damage
it.
ÿ When removing the piston ring, be careful not to
(b) Rotate the crankshaft 180° and remove the cylinder 2 and
3 piston connecting rod bearing caps.
(a) Remove the retaining ring with a puller.
(c) Press the piston with the connecting rod out of the cylinder block while
4. Removing the piston pin
not to damage the piston.
(a) If removal is difficult, heat the piston to 60°.
Disassembly
88
Machine Translated by Google
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