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Noise after engine switched off.

Bowserman

By Bowserman
in Lexus CT 200h Club

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Bowserman

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Does anyone know what the random clunk or electrical buzz noise is after the engine is switched off?

Also have a noisy heater, and in the winter the engine sounded like it was running on 3 cylinders on first start up.

Have the extended warranty on it and its due the 60k service in May, so will mention it to the dealer, see what happens.

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ColinBarber Grand Master

ColinBarber

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It is the hybrid system pressurising the braking system - normal.

Noisy heater, possible air in the system but it shouldn't have been touched to get air in it. Do you mean 100k service, not 60k? If the vehicle is a 2011 then it is due its 100k miles/10 year service which will replace the engine coolant.

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