Question about 2000 Audi A8

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My Audi A8 2.8 V6 has started to over heat when

My Audi A8 2.8 V6 has started to over heating when sitting in traffic i assume that's it most likely to be the fan or the thermosat - please can you tell me where is the thremostat i know that it's normally on the end of the top hose but i can not see looked at the bottom hose but it goes under the front of the engine and can it be replaced easy?

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Before you replace check to test the car when idling. let the engine build up heat and test the engine temp. if the fan is not activating and shutting off accorrdingly then only you need to check for the thermostat. Since your car is overheating it means that your fan is not working at all or cutting off fast. Insuch a case you can go ahead. But if the fan is working fine and the AC is also switched on, then if the heat goes up, you will need to check for the radiator having any blocks. Check to see physically for any vent blocks on the fins reducing the air flow. even is any paper is stuck this can make the temp go up even if the fan is working. use a good pray washer to clean the radiator. if not flush your radiator and check for rust in system. if all this is not giving any result check for the engine management, for fault in the tining system. The fault should be here. but make sure before you drag to the traffic to test for a long duration idling with the AC put on.hope this is helpful. good day

Posted on Jul 12, 2010

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