Exhaust Side

WARNING: This page is about a different variant/trim than selected.

Remove the engine from vehicle. Refer to REMOVAL .
Measure all the valve clearances. Refer to INSPECTION .
NOTE: Record each valve clearance after measurement.
Remove the camshaft. Refer to REMOVAL .
Remove the valve lifter.
Measure the thickness of valve lifter using micrometer.

Fig 1: Measuring Thickness Of Valve Lifter Using Micrometer
Courtesy of SUBARU OF AMERICA, INC.

Select a valve lifter of suitable thickness using the measured valve clearance and valve lifter thickness, and install it.

NOTE: Use a new valve lifter.

Unit: mm (in)

S = (V + T) - 0.35 (0.0138)

S: Valve lifter thickness required
V: Measured valve clearance
T: Current valve lifter thickness

Install the camshaft. Refer to INSTALLATION .
Install the cam sprocket. Refer to INSTALLATION .
Install the timing chain assembly. Refer to INSTALLATION .
Measure all valve clearance again at this time. If the valve clearance is not within the adjustment value, repeat the procedure from step 3).
Valve clearance (adjustment value):

0.35±0.05 mm (0.0138±0.0020 in)
After adjustment, install the related parts in the reverse order of removal.
NOTE: Refer to INSTALLATION when installing the rocker cover. .