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Repair general

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- Tue, 25 Oct 2016 15:00:40 EST PaBiavbL No.34405
File: 1477422040700.jpg -(4008285B / 3.82MB, 4208x3120) Thumbnail displayed, click image for full size. Repair general
Looked back a few pages and didn't see a thread on this. Post mechanical problems you're unsure how to diagnose and/or fix and we can try to help each other.

I'll start: A couple of days ago my car started giving off a rattling sound, either in or below the engine block or at least near it. It only starts rattling when I'm maintaining a speed or initially upon deceleration. Doesn't matter what gear I'm in, doesn't make the sound while idle. I'm hoping something minor is loose, but I fear the worst.
>>
Angus Farringworth - Tue, 25 Oct 2016 21:42:20 EST 5XSkQCKo No.34407 Reply
>>34405
Your problem is that it is a Volkswagen. Prepare to spend 10k dollars and possibly have it totaled.

>Does it rattle in time with the engine RPM's? As in, does it rattle faster when the engine is running faster?
>Does it rattle when you move the throttle when the hood is open and you are next to it?
>Does it rattle in neutral when you rev it or hold it at a higher RPM?
>Notice any loss in power/change in handling?
>Does it stop after the engine is hot?
>Does it only do it in the cold?
>Do you have an exhaust leak?
>Is your oil low?
>Is your coolant low?
>Are your valves in tolerance?
>Have you had a diagnostic code ran on it? (Do this at a place that doesn't track this kind of shit so you can sell it without it coming up in some online database.)
>Have you googled your problem?
>>
Beatrice Blerringsore - Wed, 26 Oct 2016 01:45:23 EST NFWvFuC5 No.34408 Reply
did you check the oil?
did you pop the hood and see if anything is loose?
if not, go to a dealership and get ripped off due to ignorance.
>>
Phoebe Cashhire - Wed, 26 Oct 2016 16:43:51 EST r0QYtRpH No.34409 Reply
>>34407
>Your problem is that it is a Volkswagen
Hahaha yes yes, so I've come to learn over these few years.

>No
>No
>No
>No
>No
>No
>No
>No. It was old but I just changed it and the noise persists
>No
>Yes
>No
>Yes, but nothing quite matches my problem. CV joint or an issue with bearings is the closest.

I suspect it's something to do with one or more of the CV joints or maybe a brake boot, as it's up front and below. However it isn't exacerbated by turning, but what's weird is it happens when I initially apply the brakes then stops if I continue pressing, persisting if I release. I don't have to be breaking either, it starts rattling if I am no longer accelerating.

Anyway, thanks for the suggestions
>>
George Fuddlestone - Wed, 26 Oct 2016 20:42:23 EST XdZgMX9x No.34410 Reply
>>34409
my car used to make a rattling sound cause the clutch that engages the ac motor was just a mm off.

sound more like a ringing to me then a rattle. like two plates spinning and touching ever so slightly. the mechanic pointed out ehe fine metal dust to me.
>>
Nigel Ficklebanks - Thu, 27 Oct 2016 09:21:48 EST LvscTyew No.34412 Reply
>>34405
Sounds kinda like suspension related if it occurs during weight transfer
>>
Graham Penningpud - Sat, 29 Oct 2016 14:00:11 EST sTpNd8MN No.34419 Reply
>>34412
I checked after you brought this up, my suspension is fine.
Turns out it was my radiator support rattling around. I knew it was damaged but not that bad. Months ago some fuckhead was going like 90mph weaving around with nothing tied down to the bed of his truck. A box tumbles out and I'm the lucky bastard who gets to receive it. Managed to avoid a windshield hit but it smashed into the drivers side part of the bumper. I had used zip ties to put the support back up but I guess the damage was more extensive and/or a pothole knocked it loose again.

Also my cv axles were shot and I have an exhaust leak so that could have made the rattle more pronounced.

Just doubled up on zip ties and replaced the axles, will deal with the leak when I can afford it. I'm not getting lungs full of fumes and my car drives fine for now so that can wait

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