9-2X F4-2.0L Turbo (2005)
Valve Clearance: Testing and Inspection
Valve Clearance
Inspection
CAUTION: Inspection and adjustment of valve clearance should be performed while engine is cold.
1. Set the vehicle on a lift.
2. Lift-up the vehicle.
3. Remove the under cover.
4. Lower the vehicle.
5. Disconnect the ground cable from battery.
6. Remove the timing belt cover (LH).
7. Remove the fuel injector.
8. When inspecting #1 and #3 cylinders:
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Disconnect the spark plug cords from spark plugs RH side.
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Disconnect the PCV hose from rocker cover (RH).
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Remove the bolts, then remove the rocker cover (RH).
9. When inspecting #2 and #4 cylinders:
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Disconnect the spark plug cords from spark plugs (LH Side).
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Disconnect the PCV hose from rocker cover (LH).
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Remove the bolts, then remove the rocker cover(LH).
10. Set #1 cylinder piston to top dead center of compression stroke by rotating the crank pulley clockwise using the socket wrench.
NOTE: When the arrow mark (A) on cam sprocket (LH) comes exactly to the top, #1 cylinder piston is brought to the top dead center of
compression stroke.
11. Measure #1 cylinder valve clearance using thickness gauge.
CAUTION:
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Insert the thickness gauge (A) in as horizontally as possible with respect to the valve stem end face.
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Measure the exhaust valve clearances while lifting-up the vehicle.
Valve clearance (Standard):
Intake: 0.20±0.04 mm (0.0079±0.0016 inch)
Exhaust. 0.25±0.04 mm (0.0098±O.0016 inch)