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Discussion Starter #1
I'm hearing a sound that I'm not sure is normal. When accelerating I hear a rapid ticking noise from the car. When the engine is revved while standing still I can hear the noise from the mid/front area down the middle. I assume its a sound related to the drive train to the rear wheels. It's not a nasty sound, I just wonder if I should be hearing it.
 

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I'm hearing a sound that I'm not sure is normal. When accelerating I hear a rapid ticking noise from the car. When the engine is revved while standing still I can hear the noise from the mid/front area down the middle. I assume its a sound related to the drive train to the rear wheels. It's not a nasty sound, I just wonder if I should be hearing it.
What grade of gas are you using? I believe this vehicle calls for premium (91-93 octane). if you are using a lower grade, you might be getting pinging. Pinging is bad.
 

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I don't think it's pinging for two reasons. If you have premium fuel in the car (91 or better) you shouldn't ever hear pinging. Second, it's really hard to hear it even when the car does ping. A few years ago we INTENTIONALLY tested a Fiat 1.4 turbo engine to destruction and never heard it ping, although it did it enough to cause serious damage.

I don't know what the noise is that Abro is hearing. I'll say that the engine in this car is fairly noisy, it might be the noisiest hydraulic lifter engine I have heard. With the hood up and the engine running you can hear a lot of valve type noise, perhaps Abro's ears are really good and that's what he hears. If not, I suspect it's an exhaust rattle, but I just don't know.

Greg
 

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Discussion Starter #5
No, it's not a pinging, I'm using 91 octane. It's more of a soft sound, sort of like the sound of a baseball card in the spokes of a bicycle. I can hear it bouncing of walls and buildings when in the city. I don't think it's a concern but I'll run it into the dealership just to be certain. Thanks for the input, I'll send an update if it's anything of note,
 

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Discussion Starter #7
I wonder if its part of the shielding underneath the car that is vibrating against something.
That could very well be it. I guess that's something that would require being put up on a hoist to have looked at.
 

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No, it's not a pinging, I'm using 91 octane. It's more of a soft sound, sort of like the sound of a baseball card in the spokes of a bicycle.
That's what I was thinking, in a joking way. I'm curious to learn what it actually is, though I'm half expecting the standard dealer "they all do that" explanation.
 

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. . .. When the engine is revved while standing still I can hear the noise from the mid/front area down the middle. I assume its a sound related to the drive train to the rear wheels. It's not a nasty sound, I just wonder if I should be hearing it.
If the noise is there when the car is standing still, it can't be from the transmission output, the drive shaft, or other drive train components to the rear wheels, because those items are not moving. If it is prevalent when the car is standing still, logic points to either an engine noise or the clutch mechanisms in the transmission. Your dealer should help diagnose and let you know if it is normal or something that needs attention. It doesn't sound normal to me, from your description.


Alvon
 

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Discussion Starter #10
I drove my Spider over to a mechanic around the corner from me for him to have a listen. He focus's on import work, older model Audi, Mercedes etc (he was actually working on a 70's j-type jag when i pulled in). At any rate, while he's not authorized to do any repair work he did have a listen to the engine. The noise is consistent at around 2400 rpm and he suggested that it is not a "happy sound". I have a service appointment scheduled for Tuesday at the dealership so hopefully we can get to the bottom of it. More to come...
 

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have not heard your noise and not dismissing his opinion at all. this engine has solenoids that adjust the valves, this engine is a type of beast most probably has not worked on yet, so it might make noises internally that would seem odd or different than what people usually know of. so keep a positive mind set for now.
 

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I'm hearing a sound that I'm not sure is normal. When accelerating I hear a rapid ticking noise from the car. When the engine is revved while standing still I can hear the noise from the mid/front area down the middle. I assume its a sound related to the drive train to the rear wheels. It's not a nasty sound, I just wonder if I should be hearing it.
I have a new 124 and have heard the same sound, using 91 octane.
 

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Discussion Starter #14
***Update***
Well, the prognosis isn't good. The diagnosis of the problem is not yet complete but there is discussion of an engine replacement!
I will here the final verdict on Tuesday and will update the forum on the specific details of the problem.
 

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***Update***
Well, the prognosis isn't good. The diagnosis of the problem is not yet complete but there is discussion of an engine replacement!
I will here the final verdict on Tuesday and will update the forum on the specific details of the problem.
thats not good. How many miles/km do you have on it?
 
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