Valve Clearance: Testing and Inspection

VALVE CLEARANCE INSPECTION [MZR 2.3 DISI Turbo]

1. Remove the battery cover. Removal and Replacement

2. Disconnect the negative battery cable. Removal and Replacement

3. Remove the charge air cooler. Service and Repair

4. Remove the ignition coils. Service and Repair

5. Disconnect the ventilation hose from the cylinder head cover. Service and Repair

6. Remove the cylinder head cover. Service and Repair

7. Remove the splash shield (RH). Splash Shield Removal/Installation

8. Measure the valve clearance.
NOTE:
- Make sure to note down the measured values for choosing the suitable replacement tappets.

a. Turn the crankshaft clockwise so that the No.1 piston is at top dead center (TDC) of the compression stroke.

b. Measure the valve clearance at A in the figure.






Valve clearance for inspection [Engine cold]
- IN: 0.22-0.30 mm {0.009-0.011 in}
- EX: 0.27-0.37 mm {0.011-0.014 in}

c. If the valve clearance is out of the standard value, adjust it. Adjustments

d. Turn the crankshaft 360° clockwise so that the No.4 piston is at TDC of the compression stroke.

e. Measure the valve clearance at B in the figure.

Valve clearance for inspection [Engine cold]
- IN: 0.22-0.30 mm {0.009-0.011 in}
- EX: 0.27-0.37 mm {0.011-0.014 in}

f. If the valve clearance is out of the standard value, adjust it. Adjustments

9. Install in the reverse order of removal.