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![]() | Home > General > High pitch sound from behind the grille. |
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npinks Member Since: 28 Jun 2007 Location: Ls25 Posts: 20092 ![]() ![]() |
All bar one, and if they replace the hearing aid battery it will be all bar none ![]() ![]() |
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kgursu Member Since: 03 Aug 2007 Location: Istanbul Posts: 8 ![]() ![]() ![]() |
Hi , I have the same problem since I bought my FL2 in July. After 3 months of "heavy whistle" I had a small accident. While I was stopping at the red light , a woman driving a 76 model WW just tried to get on front of me from the right lane , but she broke my front bumper |
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jules1967 Member Since: 02 Feb 2008 Location: Leeds Posts: 170 ![]() ![]() ![]() |
Hi, The whistle here is only heard when the car is parked and the engine is off. I don't know what it is either, except my Cherokee Jeep used to do it too. I put it down to a diesel pressure release though my Merc cdi doesn't whistle - makes lots of other strange noises when it's sitting there, but no whistle! Maybe it's 4x4 thing! ![]() |
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npinks Member Since: 28 Jun 2007 Location: Ls25 Posts: 20092 ![]() ![]() |
It could be a little sailor in the front engine sounding his whistle to say the captain has now left the ship |
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scotster Member Since: 29 Oct 2007 Location: Richmond, West London. Posts: 241 ![]() ![]() ![]() |
Its sounds like a DC to HT invertor...
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max967 Member Since: 26 Sep 2007 Location: Roma Posts: 12 ![]() ![]() ![]() |
...sound present from the first Km of life... is normal. Don't be paranoid.
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yamaha-fan Member Since: 11 Jun 2007 Location: Munich Posts: 324 ![]() ![]() ![]() |
Well, I can confirm that all Freely 2 do whistle for a while when switched off. If you listen carefully, you can hear a "click" when the whistling stopps. It must be an electronic component that whistles prior to cut-off.
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cli Member Since: 02 Aug 2007 Location: Wandering and Occasionally lost Posts: 56 ![]() ![]() |
It is from the PWM speed controller for the thermo fans
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scotster Member Since: 29 Oct 2007 Location: Richmond, West London. Posts: 241 ![]() ![]() ![]() |
PWM - Pulse Width Modulator?
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mjb Member Since: 30 Aug 2007 Location: Hessen Posts: 47 ![]() ![]() |
PWM - Perpetual Whining Machine ![]() |
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tonyjones1968 Member Since: 10 Sep 2007 Location: doncaster Posts: 94 ![]() ![]() ![]() |
Ive been watcing this thread for some time,if you disconect the fan ecu the noise is still there!most of the sound comes from the abs modulator.and is not a fault,
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stickybadger Member Since: 18 Feb 2008 Location: West Sussex Posts: 2 ![]() ![]() |
Hi The high pitched whistle is the steering lock solenoid working. |
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npinks Member Since: 28 Jun 2007 Location: Ls25 Posts: 20092 ![]() ![]() |
wouldn't that come from inside the car?
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stickybadger Member Since: 18 Feb 2008 Location: West Sussex Posts: 2 ![]() ![]() |
Not sure where the actual lock is. Could be further down the steering column in the engine bay. I was told by a member of the South Coast LR Club, he's an electrical/electronics engineer so I don't doubt his work unless anyone else knows ant better. Badger |
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