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Finding The Rattle

under the dash

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#1 OneYet

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Posted 26 November 2019 - 06:10 PM

So this last summer did my car develop a rather annoying metallic rattle at the left side of the steering wheel (LHD car) when going over bumbs in the road. 

I had a few looks under the wheel while crawling around the pedals but is nothing there that could cause a rattle. 

So I figured I had to take away the dash to find the culprit and then grease my ventilation cable at the same time. 

After a lot of sweating (prying away 17 years old plastic parts gets on my nerves) I got the dash out of the car. 

But I still cannot find anything that could cause a rattle. Nothing is loose.

Is there anybody that could point me in some direction that I have missed so far? Something that usually would come loose?



#2 FLD

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Posted 28 November 2019 - 03:58 PM

Pedal return spring snapped leaving loose ends to rattle?

#3 OneYet

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Posted 04 December 2019 - 05:41 PM

Pedal return spring snapped leaving loose ends to rattle?

 

That was a really brilliant idea!

Unfortunately (and after som time in the footwell) it wasn´t the case. 

 

In the meantime I have been oiling my ventilation cables so the oil were coming out in the other end. 

Did not help. 

I undid the cable to make sure if it was the turning mechanism or the ventilation box that was the problem and to my surprise it was the turning mechanism that was very tough to turn by itself. 

I am now putting oil here and there around the mechanism but still no big improvements. 

Any suggestions for this?



#4 OneYet

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Posted 04 December 2019 - 08:01 PM

Well. We have a lottery-commercial in Sweden that says "Suddenly it happens"

All of a sudden the oil must have reached the dry spot because now the dials are smoother then ever. 

Sigh. What a feeling. 

 

Back to trying to find the rattle. 



#5 aquilaproejct

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Posted 05 December 2019 - 01:11 AM

LHS brake pad rattle? You'd be surprised at how many noises are in the front of the car that are heard very clearly in the cabin.

#6 OneYet

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Posted 05 December 2019 - 07:59 AM

Could very likely be that.
I will now lift the car. Take away the front wheel. Put the wife in the driver seat and whack the suspension with a mallet. 😁

#7 Pidgeon

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Posted 05 December 2019 - 08:03 AM

Do you have an uprated ARB?  The bushes in mine developed a very annoying knock.



#8 OneYet

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Posted 05 December 2019 - 09:40 AM

Do you have an uprated ARB? The bushes in mine developed a very annoying knock.


No. OEM ARB.
I have the uprated ABS as the old one was quite annoying. Knocking but not braking 😁

#9 OneYet

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Posted 05 December 2019 - 08:47 PM

I might have found it. 

I was very set on the idea that it was a metallic rattle but when fumbling around with my hand in the corners of the dash I found a plastic connector that was more or less loose. 

The plastic bracket broke as soon as I touched it. 

Maybe, just maybe it was this connector that rattled against the bare aluminium it was supposed to be attached firmly to. 

I taped the connector to a bunch of wires and now it is time to try to put the dash back. 

 

The malletwhacking gave no rattle at all. 


Edited by OneYet, 05 December 2019 - 08:48 PM.


#10 aquilaproejct

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Posted 05 December 2019 - 10:06 PM

Grab a supply of adhesive foam and felt tape. You'll forever be finding new loose hits.

#11 MartinS

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Posted 06 December 2019 - 08:49 AM

I solved a rattle behind the dash recently that was the bonnet release cable tapping against the alloy dash plate. Bit of foam later, resolved.

Plan to fit a new release cable (off a land rover soon, that will sit on the right hand side and be easier to get at.

Martin S

 






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