S5 Workshop Manual
Engine
EM-43
2. Dismantling
1) Use special tool (JACF111) to
dismantle cylinder head bolts according
to the sequence shown in figure.
2) Use special tool (JACF115) to dismantle valve spring lock plate, and then
dismantle upper spring seat, valve spring, and lower spring seat and valve.
Notes:
■ Place these parts in good arrange
ment to facilitate re-installation according to their
original position.
3) Use a pair of pliers to dismantle valve lifter sealing piece.
Notes:
■
Do not use the used valve lifter sealing piece.
3. Inspection
1) Cylinder Hood
Inspect whether cylinder head has
crack, damage and whether there is
coolant leakage. If it has crack, replace
cylinder head.
Completely remove scraps, sealant
mixture and deposited carbon. After
cleaning oil path, blow compressed air to
verify whether oil path is blocked.
EM067
EM066
EM065
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