Checking of coolant hoses to EGR
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Checking of coolant hoses to EGR
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1.
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Undo then close the coolant expansion tank cap to release any pressure in the cooling system.
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2.
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Remove the upper engine cover
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3.
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Clamp the lower hose with pinch-off pliers close to the end.
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4.
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Have some absorbent paper or similar at hand to soak up any coolant that escapes. Disconnect the lower hose from the EGR-valve.
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5.
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Squeeze the upper coolant hose and check whether coolant comes out of the EGR valve pipe. A lack of coolant indicates that the hose is blocked and must therefore be changed.
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6.
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Remove the pinch-off pliers from the lower coolant hose. Place the pinch-off pliers on the upper coolant hose to the EGR valve.
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7.
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Squeeze the upper coolant hose and check that coolant runs out of the lower coolant hose on the EGR valve. A lack of coolant indicates that the hose is blocked and must therefore be changed.
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8.
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Connect the coolant hose to the EGR valve and remove the pinch-off pliers.
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9.
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Check the coolant level, start the engine and ensure there are no leaks.
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10.
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Fit the upper engine cover
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11.
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Delete the DTCs, road test the car and check that no DTCs are generated.
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