altima coupe 3.5se random noises.

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nismofool
Posts: 455
Joined: Mon Oct 15, 2007 1:50 pm
Car: Nissan Altima Coupe '08 3.5SE
Location: fontana,ca

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ok, well i have a sensitive ear i guess, and i've been noticing that the car seems to have slight very low sounds..more like rattling noises coming from the back when on bumpy roads, and when i get passengers int eh back seat and when they first take a seat, the seats to make sorta "clank" noise. maybe i'm just paranoid lol. i just hear rattling noises all over the car, anyone else?

oh and i read somewhere else before of the passenger seat belt rattle, but it's not that, i checked, to be more exact..it seems the main noise is coming from the back wheels, and seats.


nismofool
Posts: 455
Joined: Mon Oct 15, 2007 1:50 pm
Car: Nissan Altima Coupe '08 3.5SE
Location: fontana,ca

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i apologize, without searching, i did not realize there was already a thread like this made. however, i didnt come across in that particular thread covering the noise from the engine. anyone else notice sort of a WHINING sound, like a low whistle noise from the VQ engine when letting go of the accelerator, or braking and slowing down to a complete stop?

thanks again everyone.

generic808
Posts: 2537
Joined: Tue Jul 10, 2007 10:18 am
Car: '08 Infiniti G35 S
'10 Infiniti EX35

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That sound coming from the rear is probably your rear deck. I have the same rattle on my car and it's irritating! Everytime I drive on rough roads or hit a bump, it rattles! Haven't had the time to take it apart yet. I'm installing the HID kit this weekend, so maybe next weekend I'll get around to it. I'll let you know what it is when and if I find it.

nismofool
Posts: 455
Joined: Mon Oct 15, 2007 1:50 pm
Car: Nissan Altima Coupe '08 3.5SE
Location: fontana,ca

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thanks, i'll be looking forward to your next reply, but as for the engine noise goes, anyone hear a lil whistle? or whining noise everytime you step on it, and then let go and decelerate or brake when coming to a stop? is it normal for the vq engine to make that noise?

generic808
Posts: 2537
Joined: Tue Jul 10, 2007 10:18 am
Car: '08 Infiniti G35 S
'10 Infiniti EX35

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nismofool wrote:thanks, i'll be looking forward to your next reply, but as for the engine noise goes, anyone hear a lil whistle? or whining noise everytime you step on it, and then let go and decelerate or brake when coming to a stop? is it normal for the vq engine to make that noise?
Do you have the CVT? If so, it may be the transmission. I'm not sure though, it's just a hunch. I didn't notice that whistle, but be on the lookout next time I drive. I know Gillig buses running CVT's make that whistle sound when accelarating/decelerating.

nismofool
Posts: 455
Joined: Mon Oct 15, 2007 1:50 pm
Car: Nissan Altima Coupe '08 3.5SE
Location: fontana,ca

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yeap i do, is it the transmission?

generic808
Posts: 2537
Joined: Tue Jul 10, 2007 10:18 am
Car: '08 Infiniti G35 S
'10 Infiniti EX35

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Can't say for sure, but it may be. It happens when the engine is retards pretty hard, right? By retard, I mean when you're driving and you let go of the gas pedal, the car decelerates pretty drastically without using the brakes. CVT's will usually make more of a "whining" sound vs. a "whistle". If it's more of a whine, I would think that it's the transmission.

nismofool
Posts: 455
Joined: Mon Oct 15, 2007 1:50 pm
Car: Nissan Altima Coupe '08 3.5SE
Location: fontana,ca

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well, i guess you can call it a whine, but in my ears, its more closer to a low high pitched WHISTLE coming from my car, when its retard, and braking/slowing down. can any other cvt drivers recall this?

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tsigoloeg
Posts: 69
Joined: Thu Sep 06, 2007 6:22 pm
Car: 2008 Altima Coupe 3.5 SE

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nismofool wrote:well, i guess you can call it a whine, but in my ears, its more closer to a low high pitched WHISTLE coming from my car, when its retard, and braking/slowing down. can any other cvt drivers recall this?
I don't know if this is the same, but when I shut down my car in my garage I hear a whine-like noise, very brief (~1-2 sec) descending pitch, sorta like a turbine spinning down. I assume it is the CVT, but I really don't know. Otherwise, the White Zombie is too loud for me to notice. (I really don't hear any whining noise while driving)

chamade
Posts: 49
Joined: Wed Oct 31, 2007 5:50 am
Car: 2008 Altima Coupe 3.5 SE dark slate
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I also hear the "turbine" sound for a few seconds when turning off the car in the garage,,,very cool:)


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