Mystery rattle

Technical advice Q&A

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ianfey
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#1 Mystery rattle

Post by ianfey » Thu Aug 13, 2020 12:38 pm

I have a series 1 OTS whic has developed a rattle which sounds like ametal tray full of loose spanners behind the dash when I go over a bump or am on a rough road. Stripped out dash nothing loose. Checked wiper linkages in double skin bulkhead and cannot find anything loose under the bonnet. Any suggestions please as I am at the end of my tether. Many thanks Ian

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rswaffie
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#2 Re: Mystery rattle

Post by rswaffie » Thu Aug 13, 2020 1:20 pm

Are you sure it’s from behind the dash/bulkhead?
It could be a rattle from under the car (heat shields/exhaust) or even something like bonnet locks or window winder mechanisms that resonate up through the bodywork.
Richard

S1 3.8 FHC Opalescent Golden Sand with Tan Trim 889504
Now running-in my diy nut ‘n’ bolt restoration. :wrench: :hammer: :fingerscrossed:

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ralphr1780
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#3 Re: Mystery rattle

Post by ralphr1780 » Thu Aug 13, 2020 1:33 pm

Did you check engine stabilizer rod?
Ralph
'69 OTS + '62 OTS - Belgium

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Mich7920
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#4 Re: Mystery rattle

Post by Mich7920 » Thu Aug 13, 2020 1:49 pm

Hi,
For me this rattle was the iron pipe comming from the reservac.
It took a long time to discover the origine.
Purhaps the same for you
Mich
Michel
1965 E Type FHC - On the road - 1963 E Type OTS - Angus Restoration
Gran Torino Sport 1975 - Renault 4cv 1956 - CItroen 15/6 1951 - CItroen Traction 1945
Citroen Coupé docteur 5Hp 1924 - Citroen B12 1926 - Torpedo Sygma 1913
Harley D. 1915 sidecar

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Geoff Allam
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#5 Re: Mystery rattle

Post by Geoff Allam » Thu Aug 13, 2020 3:17 pm

I second the stabilizer rod. When I bought my fhc the whole rod mechanism was ubdone. It sounded like The engine was falling out.
Geoff Allam
67 series1 ots under restoration
64 series 1 fhc burning lots of oil
53 xk 120 fhc sitting in garage waiting for attention

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Tony
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#6 Re: Mystery rattle

Post by Tony » Thu Aug 13, 2020 8:54 pm

Where us the stabiliser rod fitted. Not noticed one on my car.
Tony (E typed)

Tony

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politeperson
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#7 Re: Mystery rattle

Post by politeperson » Fri Aug 14, 2020 7:45 am

I have had-

Old bolts inside the front bumpers left over from the Amco bars rattling

Worn shock absorber bushes

Interference between the plenum and the air filter canister through misalignment

Carbs touching the frame through worn engine mounts

Poorly adjusted center mount on the gearbox.

All of these were diagnosed by someone enthusiastically pushing the car up and down at the front with me listening with the bonnet open.
James

L.J.K. Setright was right.
"You just cant beat a good E-type"

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malcolm
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#8 Re: Mystery rattle

Post by malcolm » Fri Aug 14, 2020 8:30 am

Mine was the bottom bolt adrift under the airfilter at bottom of canister
Malcolm
I only fit in a 2+2, so got one!
1969 Series 2 2+2
2009 Jaguar XF-S

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ralphr1780
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#9 Re: Mystery rattle

Post by ralphr1780 » Fri Aug 14, 2020 8:32 am

Tony,
Check in the centre of the bulkhead, underneath the bonnet latch, it links the bulkhead to the bellhousing.
Ralph
'69 OTS + '62 OTS - Belgium

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ianfey
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#10 Re: Mystery rattle

Post by ianfey » Fri Aug 14, 2020 9:18 am

:thankyouyellow: not able to test drive car yet as I have to put the dash back together but just after I posted I thought about the stabiliser. Took 2 turns to bring bottom slotted nut into contact with mounting so I am hoping this was it.Thank you to everyone who responded and all the suggestions. At least now I have a checklist to follow if the stabiliser is not the culprit.

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ianfey
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#11 Re: Mystery rattle

Post by ianfey » Thu Aug 27, 2020 5:19 pm

Tried all the above to no effect. Then drove over a speed bump and the noise stopped .Don't you just love these cars :cussing:

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malcolm
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#12 Re: Mystery rattle

Post by malcolm » Fri Aug 28, 2020 8:13 am

Have you checked under the filter inside the air canister?
Malcolm
I only fit in a 2+2, so got one!
1969 Series 2 2+2
2009 Jaguar XF-S

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rswaffie
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#13 Re: Mystery rattle

Post by rswaffie » Fri Aug 28, 2020 8:41 am

Is it possible that whatever was rattling has fallen out/off the car when you went over the speed bump?
Richard

S1 3.8 FHC Opalescent Golden Sand with Tan Trim 889504
Now running-in my diy nut ‘n’ bolt restoration. :wrench: :hammer: :fingerscrossed:

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PeterCrespin
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#14 Re: Mystery rattle

Post by PeterCrespin » Mon Aug 31, 2020 8:02 pm

The stabilizer washers are stepped. It is possible they were adjusted slightly out of position and a bump jumped one or other into place. Check the adjustment again.

Have you got the rubber buffers on the locating pins that drop into the angled receivers on each side of the bulkhead?
1E75339 UberLynx D-Type; 1R27190 70 FHC; 1E78478; 2001 Vanden Plas

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