Coolant temperature sensor (202)
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Coolant temperature sensor (202)
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1.
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Remove the upper engine cover.
Warning
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The cooling system is under pressure. Hot coolant and steam can escape.
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- Open the cap slowly to release the pressure.
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- Carelessness can cause eye and burn injuries
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2.
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Undo the cap on the expansion tank to release pressure, retighten the cap.
Important
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Take care when releasing the locking mechanism on the connector so as not to damage the connector. Pull the halves straight apart to avoid bending the pins. For further information regarding connectors, refer to
Connectors, handling and inspection
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3.
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Detach the secondary air hose from the turbocharger intake manifold.
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4.
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Remove the air cleaner casing cover and the bolts on the radiator member.
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5.
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Detach the turbocharger intake manifold at the mass air flow sensor and remove it.
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6.
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Lift up the heat shield and unplug the coolant temperature sensor connector.
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7.
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Remove the sensor using 83 96 087 Sleeve, coolant temperature sensor, B207.
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1.
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Quickly refit the temperature sensor using a new seal.
Tightening torque 22 Nm (16 lbf ft)
Important
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Take care when plugging in the connector so as not to damage or press out the pins/sleeves in the connector. For further information regarding connectors, refer to
Connectors, handling and inspection
.
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2.
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Plug in the sensor connector and press down the heat shield.
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3.
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Refit the turbocharger intake manifold.
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4.
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Fit the air cleaner casing cover and the radiator member bolts.
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5.
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Attach the secondary air hose to the turbocharger intake manifold.
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6.
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Replace the upper engine cover.
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