Check valve, crankcase ventilation, checking/replacement
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Check valve, crankcase ventilation, checking/replacement
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2.
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Check the function of the check valve using
30 14 883 Pressure/vacuum pump
. Connect the pump with a suitable nozzle to the hole for the check valve.
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3.
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Is it possible to pump up a pressure?
Yes:
The check valve is in order. Refit the throttle body.
No:
The check valve is faulty and must be replaced.
Go to step 4.
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4.
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Remove the intake manifold, intake manifold with SAI.
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5.
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Press out the check valve.
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6.
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Fit a new check valve.
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7.
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Fit the intake manifold, intake manifold with SAI.
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