CAMSHAFT [SKYACTIV-X 2.0]

id0110hf001400


Purpose, Function

•  The camshaft is rotated by receiving the rotation force of the crankshaft via the timing chain. The valve is opened and closed according to the cam shape at this time.

Construction

•  The camshaft is installed to the cylinder head.
atsuzn00000694
•  The intake camshaft is a five-bearing type and the exhaust camshaft is a five-bearing type.
•  The camshaft thrust force is suppressed by the No.5 journal.
•  The camshaft has the following parts shown in the figure.
am3zzn00010129

Valve timing

am3zzn00010186

Item

Specification
Valve timing
IN
Open
(°)
BTDC 42.5—ATDC 53 (HF01-12421)
BTDC 40—ATDC 55.5 (HF03-12421)
BTDC 42.5—ATDC 33 (HFH1-12421)
Close
(°)
ABDC 17.5—ABDC 113 (HF01-12421)
ABDC 20—ABDC 115.5 (HF03-12421)
ABDC 37.5—ABDC 113 (HFH1-12421)
EX
Open
(°)
BBDC 90—BBDC 30
Close
(°)
BTDC 20—ATDC 40 (HF01-12421)
BTDC 30—ATDC 30 (HF03-12421)