Constant buzzing in dash behind gauges?!!
#1
Constant buzzing in dash behind gauges?!!
2007 XKR - i have this constant buzzing sound (almost sounds like the sound of a small, old school electronic bed side clock/radio) that is on 24/7, even with the car off. It can even be heard with the car running. It seems to be right behind the instrument cluster in the dash. If I don't drive my car for more than about 36 hours, it kills my battery. Have any of you experienced or heard of this or have a clue what it may be? Thanks in advance.
#2
This sound is the aspirator fan for the climate control - but although you think it runs all the time, it does not. It starts to run the instant you pull the door handle, remains in operation all the time the engine is running and remains in operation for about 30 minutes after the engine is shut off. This is correct and normal. So naturally you think it runs all the time. It does not.
These fans sometimes become noisy if they get dirty; they are not particularly expensive and can be replaced quite easily if the noise bothers you.
But the bigger issue here is the fact that your battery is low. You need to address this separately because these cars require full voltage all the time; if they do not have it, random problems in any and all systems will result but the cause is always the battery. If your battery is more than 3 years old, if you use it primarily for low-speed short runs, if you do not use the car daily, your battery WILL run down. Solution: if the battery is more than 3 years old, replace it and more importantly, get a CTEK battery maintainer and use it whenever the car is not actually in use. The result will be ZERO problems. There are numerous threads on this.
These fans sometimes become noisy if they get dirty; they are not particularly expensive and can be replaced quite easily if the noise bothers you.
But the bigger issue here is the fact that your battery is low. You need to address this separately because these cars require full voltage all the time; if they do not have it, random problems in any and all systems will result but the cause is always the battery. If your battery is more than 3 years old, if you use it primarily for low-speed short runs, if you do not use the car daily, your battery WILL run down. Solution: if the battery is more than 3 years old, replace it and more importantly, get a CTEK battery maintainer and use it whenever the car is not actually in use. The result will be ZERO problems. There are numerous threads on this.
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#3
Well done, Gregory! +1 on the CTEK. Just two more points:
(1) Remember to always lock your car even when it's parked in your garage. Locking shuts down all of the computers. Otherwise, convenience mode stays awake for a while (I think it's around 20 minutes) and that can cause a weak battery to run down further and not have enough power to start your engine, even though your courtesy lights may work.
(2) Keep your key fob at least 20 feet away from your car so it doesn't keep activating convenience mode and run down the battery.
(1) Remember to always lock your car even when it's parked in your garage. Locking shuts down all of the computers. Otherwise, convenience mode stays awake for a while (I think it's around 20 minutes) and that can cause a weak battery to run down further and not have enough power to start your engine, even though your courtesy lights may work.
(2) Keep your key fob at least 20 feet away from your car so it doesn't keep activating convenience mode and run down the battery.
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#4
tnx gents. yes....i'm all too familiar with the battery issues on these cars. it's a real PITA. i keep it now on a batt tender if not driving it over 24h. good thought too on the locking and the key fob. i often leave my key in my car and just close my garage. not anymore!
question....how can i get to this fan? is it easily accessible?
question....how can i get to this fan? is it easily accessible?
#5
See: https://www.jaguarforums.com/forum/x...-noise-111624/
Our cars are now 10 years old, and almost every question you can think of has already been asked and answered. Learn to use the search function, and you won't need to reinvent the wheel.
Our cars are now 10 years old, and almost every question you can think of has already been asked and answered. Learn to use the search function, and you won't need to reinvent the wheel.
#7
Last edited by Stuart S; 08-12-2016 at 06:54 PM.
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multistrada74 (08-12-2016)
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#9
Aspirator location with pics
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multistrada74 (08-15-2016)
#11
See: https://www.jaguarforums.com/forum/x...-noise-111624/
Our cars are now 10 years old, and almost every question you can think of has already been asked and answered. Learn to use the search function, and you won't need to reinvent the wheel.
Our cars are now 10 years old, and almost every question you can think of has already been asked and answered. Learn to use the search function, and you won't need to reinvent the wheel.
So you are recommending that people do a search and depend on 10 year old information?
Reinventing the wheel is exactly the benefit of this forum vs. a search tool. The search function has its place but so is the input of new information that is not yet searchable. Quite often somebody will post a new way of doing something that has not yet been put up on the internet [thus it is not searchable] and because somebody asked the question- that person then put a new solution [and now it is searchable]
Also new technology comes out all the time> new tires, new brakes, new batteries, etc and telling somebody to use the search tool won't yield this new information.
I personally encourage all questions and I do not suggest depending on the search tool only. Before the internet, everybody said 'use the Haynes manual'...please let's not go back to those days.
Keep the questions coming.
Last edited by michaelodonnell123; 08-19-2016 at 09:36 AM.
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multistrada74 (08-19-2016)
#12
So you are recommending that people do a search and depend on 10 year old information?
Reinventing the wheel is exactly the benefit of this forum vs. a search tool. The search function has its place but so is the input of new information that is not yet searchable. Quite often somebody will post a new way of doing something that has not yet been put up on the internet [thus it is not searchable] and because somebody asked the question- that person then put a new solution [and now it is searchable]
Also new technology comes out all the time> new tires, new brakes, new batteries, etc and telling somebody to use the search tool won't yield this new information.
I personally encourage all questions and I do not suggest depending on the search tool only. Before the internet, everybody said 'use the Haynes manual'...please let's not go back to those days.
Keep the questions coming.
Reinventing the wheel is exactly the benefit of this forum vs. a search tool. The search function has its place but so is the input of new information that is not yet searchable. Quite often somebody will post a new way of doing something that has not yet been put up on the internet [thus it is not searchable] and because somebody asked the question- that person then put a new solution [and now it is searchable]
Also new technology comes out all the time> new tires, new brakes, new batteries, etc and telling somebody to use the search tool won't yield this new information.
I personally encourage all questions and I do not suggest depending on the search tool only. Before the internet, everybody said 'use the Haynes manual'...please let's not go back to those days.
Keep the questions coming.
#13
Are you saying that you can't depend on 10 year old information? I doubt it; it depends on whether it's still valid.
What I said was use the search function and see if your question has already been answered. If not, then ask it. This forum is full of questions that continue to be asked, even though the answers were posted years ago. An example is "One of my backup lights is out."
The search function is a valuable resource and is one of the best features of this forum.
I prefer to rely on myself and try to try to find the answers to my questions before asking others for help. That was a valuable lesson I learned many years ago from one of my teachers who said: "Give a hungry man a fish and he won't be hungry tonight. Teach him how to fish and he won't be hungry for the rest of his life."
Last edited by Stuart S; 08-20-2016 at 07:39 AM.
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#14
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#16
Of course not. That's not what I said, but if that's what you understood I'm puzzled because I thought my advice was clear and unambiguous. I stated: "Our cars are now 10 years old, and almost every question you can think of has already been asked and answered. Learn to use the search function, and you won't need to reinvent the wheel. "
The last thing we need is yet another person telling everybody to use the search button.
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