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Old 11-06-19, 07:50 AM   #1
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Default Random Rattle - 308 GT180 Auto

Morning all, I've only owned the GT for 3 weeks - loving it so far, except.... I've discovered a random rattle/vibration from (I think) the engine... It only happens occasionally, and not all the time, as in, it's not constant and doesn't seem to rattle if accelerating or braking particularly. I've noticed it, say, when I've been driving down a dual carriageway A road and the traffic is starting to slow, but I let the car slow on it's own with no foot on the brake - the random rattle vibration occurs. I think I've noticed it a little when the road surface isn't as smooth as it could be - but I don;t think it's purely something to do with an uneven surface making something rattle. I'm obviously a bit worried it's something serious, especially as I've only just bought the car and am now severely limited on funds!

Any of you guys with more experience have any ideas/thoughts?
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Old 11-06-19, 08:39 AM   #2
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As it occurs during braking and acceleration could be drivetrain,suspension or brake components could be something as simple as a loose wheel nut/s check those first,how old is the car?,i would put the car on a ramp for inspection.
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Old 11-06-19, 08:48 AM   #3
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Well that's the thing, I wouldn't say it's occurring during acceleration and/or braking per se - I've mainly noticed it when my foot is off the pedal and it's "coasting" down speed. I'm hoping because it is random, and not happening all the time, especially when accelerating/braking, that it's not a major fault - especially as I've only owned it 3 weeks!
It's a 2015 308GT Auto.
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Old 11-06-19, 10:05 AM   #4
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Try to inspect plastic and rubber air hoses under the hood.
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Old 11-06-19, 09:36 PM   #5
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The first thing you NEED to do is narrow down exactly where the rattle is coming from.

If it is indeed coming from a forward position from where your sat, is it front left, front right, centre?? Try being a front seat passenger whilst someone else drives.

Secondly, you need to identify a specific road or surface you know you can replicate it and test your car to make sure it is only present when coasting . When you hear it, try accelerating/breaking etc. and see if anything changes.

If I had to hazard a guess, Id say droplinks. I experienced a similar rattle and it turned out to be that. It would kinda make sense as when accelerating or braking, the suspension components are in a more loaded state than when coasting. They were replaced under warranty with no issue.
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Old 12-06-19, 07:55 AM   #6
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Thanks @2Stevo2 - I have been trying to concentrate on where/when this occurs, and I'm starting to suspect it may be around the front wheel area. I've noticed also that it seems to occur more often than not on road surfaces that aren't the smoothest, ie, ones that have just been resurfaced with chippings etc.... As I mentioned, using the accelerator or brake isn't the catalyst for the noise, and it is sporadic - so perhaps (hopefully) you're right and it's not a major cash outlay!!
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Old 12-06-19, 08:05 AM   #7
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Yea it definitely sounds like it tbh.

U got it booked in to be looked at?
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Old 12-06-19, 08:41 AM   #8
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Yeah, I've got a reliable mechanic set to look at it tomorrow/Friday - so fingers crossed that's the issue!!
Really appreciate the replies here
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Old 12-06-19, 12:01 PM   #9
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Quote:
Originally Posted by BSD79 View Post
Yeah, I've got a reliable mechanic set to look at it tomorrow/Friday - so fingers crossed that's the issue!!
Really appreciate the replies here <img src="https://www.peugeotforums.com/forums/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" />
Good stuff.

Let us know how u get on &#x1f44d;
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Old 13-06-19, 10:30 AM   #10
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Quote:
Originally Posted by Sinisha View Post
Try to inspect plastic and rubber air hoses under the hood.
Ok

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