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SUVs Chevrolet Suburban & Tahoe Chevrolet Suburban Noises and Sounds
36 messages, Last post on May 23, 2009 at 6:38 AM
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I have a 1999 suburban and in the last two days I constantly hear the clicking of my blinkers even when they are not on. The clicking will stop when the brakes are applied. Is this the relay about to go out or is this some type of short? Thanks for your help in advance.
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Replying to: mmcswain (Oct 26, 2007 10:34 am) Start first with having someone just apply the brakes, and notice whether all of the brake lights come on correctly (and are of equal high brightness), as well as center stop lights. Now have someone turn on the left turn signals, and observe both the back and the front turn bulbs. Now do it with the brakes applied and observe whether the bulbs are acting correctly. Do the same procedure with the right turn signals. Now turn on the parking lights (you may want to do this at dusk), are all the parking lights on correctly front and back? Now do the whole right/left turn signal sequence with braking tested as well. I'm suspecting you will see some unexpected blinking at one or more of your lights. Let us know which of these yield some results that are unexpected.
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Replying to: kiawah (Oct 26, 2007 10:51 am)
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Replying to: mmcswain (Oct 26, 2007 1:59 pm) When it is clicking, is there an inside indicator light blinking? When it is clicking and you then turn on the turn signal, does the clicking change? Have you recently added a trailer hitch/wiring to this vehicle....or changed any of the bulbs in this vehicle? What trim level is this suburban? LS/LT/LTZ And have you wiggled (or turned on and then off), your 4 way blinker switch. And does this clicking occur without the key in? In the accessories key position? or in the engine ON position?
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Replying to: kiawah (Oct 26, 2007 2:09 pm) When the clicking is happening nothing is happening outside of the vehicle during the clicking the inside indicators are not working either when I turn on the turn signal it is in sequence with the constant clicking No bulb changes and no new wiring LS model I haven't tried the 4 way yet but I will It happens in the accessory position and in the ON position.
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Replying to: mmcswain (Oct 27, 2007 6:22 am) You don't 'appear' to have a typical bulb filament problem, as you indicate you are seeing the correct intensities of the bulbs flashing....and everything externally is working absolutely correctly. The only thing that I would probably do to prove it if wasn't a bulb problem (because your problem might be much more expensive), is to actually remove all of the exterior bulbs and see whether you still had the clicking. If the clicking goes away, then you really do have a bulb problem and can start putting them back one by one until you find the culprit which caused the problem. In my 2007 Suburban, by looking at the service manual schematics this turn signal circuitry is actually controlled by a computer called the Body Control Module, which sits up underneath the dash by the steering column. What I don't know is whether you have this BCM in your model or not. In my previous generation Suburban, the flasher is a solid state plugin flasher. So I'm not sure which type you have. If you have lights (like dome lights and exterior courtesy lights) which brighten up slowly and dim down slowly, then you probably have a BCM. If can find a solid state plugin flasher, then that would be the next most likely possible culprit (besides the bulbs). If you can't find a plugin flasher, then I think you are looking at replacing the BCM. Perhaps someone else who may have actually had your problem can jump in with the resolution.
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Replying to: kiawah (Oct 27, 2007 2:09 pm)
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| I had my transmission checked. No problem, but whenever I turn a certain way I hear this strange noise. Sometime when I pull of after stopping there is a little slip and after that there is no problem. | |
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I have a 97' Tahoe with 130k miles.....and when the engine runs cold or warm runs perfect, but as soon as it's hot, like after 15 mins....it starts the noise, when I accelerate it makes this slapping, valving noise, I changed yesterday the Throttle Position Sensor, and it's a little better, but not enough.....it's driving me crazy. Any ideas on what can I do? THANKS! |
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