Impreza GT F4-2.5L Turbo (2009)
figure.
15) Loosen the lower side of the front camshaft cap and the exhaust camshaft cap bolts equally, a little at a time in alphabetical sequence shown in the
figure.
16) Remove the front camshaft cap.
17) Remove the intake camshaft caps and intake camshaft.
18) Remove the exhaust camshaft caps and exhaust camshaft.
NOTE:
Arrange camshaft caps in order so that they can be installed in their original positions.
19) Remove the oil seal.
CAUTION:
Do not scratch the journal surface when removing the oil seal.
20) Similarly, remove the camshaft RH and related parts.
INSTALLATION
1) Install the camshaft.
Apply engine oil to the cylinder head at camshaft bearing installation location before installing the camshaft. Install the camshaft so that each valve is
close to or in contact with base circle of the cam lobe.
NOTE:
-
Set the camshaft to the position shown in the figure.
-
When set at the position shown in the figure, it is not necessary to rotate the camshaft RH when installing the timing belt, but it is necessary to
rotate the camshaft LH slightly.
Intake camshaft LH:
Rotate 80° clockwise.
Exhaust camshaft LH:
Rotate 45° counterclockwise.
