Valve clearance check and adjustment, Z19DT
Valve clearance check and adjustment, Z19DT |
1. |
Remove the upper engine cover and insulation.
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2. |
Unplug the connector from the mass air flow sensor.
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3. |
Remove the hose from the mass air flow sensor and the intake manifold.
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4. |
Remove the air filter housing.
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5. |
Detach the crankcase ventilation hoses from the camshaft cover.
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6. |
Remove the camshaft cover.
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7. |
Turn over the engine using a ratchet spanner on the crankshaft and check the valve clearance when the camshaft lobe is pointing up (180° from the valve stem) using a feeler gauge.
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8. |
Measure and note the valve clearance of all valves in the same way.
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9. |
The valve clearance must be adjusted if outside tolerances.
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10. |
Adjust the valve clearance by changing the valve adjusting washers to the right thickness.
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11. |
Make sure the camshaft lobe is pointing up (180° from the valve stem) and use
32 025 035 Valve compressor
to carefully press down the valve tappet.
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12. |
Secure the valve tappet using
32 025 036 Valve fixing tool
.
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14. |
Fit new washers with right thickness, turn the washer with the marking on the bottom, press down carefully with the valve compressor and remove the special tool.
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15. |
Turn over the engine so that the camshaft revolves a whole turn and check that the valve clearance is correct.
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16. |
Fit the camshaft cover with a new gasket.
Tightening torque 9 Nm (7 lbf ft). |
17. |
Fit the crankcase ventilation hoses with clips to the camshaft cover.
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18. |
Fit the air filter housing.
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19. |
Fit the hose to the mass air flow sensor and the intake manifold.
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20. |
Plug in the connector to the mass air flow sensor.
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21. |
Fit the insulation and the upper engine cover.
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