Question about 2002 Mercury Mountaineer

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Locate radiator cap

Whistles when i accelerate so im thinking is the cap.how do i locate it to check also any ideas why it whistles when i accelerate

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  • Mercury Master
  • 21,873 Answers

A whistle noise is usually a vac leak.
The cap is where you fill the tank with coolant.

Posted on Jul 27, 2013

Testimonial: "wheres the vac located at"

  • Frank brenyah Jul 27, 2013

    wheres the vac located at

  •  Stephen
    Stephen Jul 28, 2013

    The engine creates a vacuum in the intake when it is running. Any gasket or hose connected to the intake could be leaking.

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Or a radiator hose that may have water around it or coming out when hot then that is your leak.
Maybe a good idea to take to a radiator place or a mechanic ask them to put a pressure test on the radiator.
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My 2007 Land Rover Freelander makes a whistling sound when vehicle is idling. Sound goes away when accelerating or applying petrol?


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I am looking for the radiator cap location on the 2007 malibu.


A lot of the newer cars don't have a cap on the radiator anymore. The manufacturers decided to move it to the overflow bottle, which I think is a stupid idea. Should the bottle split, you lose ALL your coolant, then cook the engine, as opposed to just losing a little bit of coolant.

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Hello. I have a 2000 Dodge Intrepid, 3.2, V-6 which is leaking antifreeze. I'm female, but haven't fallen off the turnip truck yesterday. Asked my guy friends, so have an idea what the problem might be,...


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So think of the reservoir on your vehicle an extension of the side tank of your radiator.

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Hi,
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If your's is a diesel like mine, there is a plastic cover over the intake next to the radiator which can come loose.
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1 Answer

Cold radiator


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make sure your water pump is operating
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also inspect your radiator cap and the overflow
let me know if you need further assistance

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