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Author Topic: Rear end clonking  (Read 371 times)
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simonpen
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Posts: 99


« on: 09 August, 2021, 09:21:14 AM »

Now that I am driving my S1 after its 'restoration' I am bothered by a loud and regular 'clonk' from the rear when going over pot-holes and bumps in the road. All the rubber in the rear was replaced and new shox installed. I have emptied the boot. Is the exhaust prone to swaying about? If I grab hold of the rear pipe it seems pretty well located.  Any suggestions? I think I remember the same affliction on my previous Coupe.
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1969 Rallye 1.3S
fay66
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Posts: 5994



« Reply #1 on: 09 August, 2021, 10:48:02 AM »

Now that I am driving my S1 after its 'restoration' I am bothered by a loud and regular 'clonk' from the rear when going over pot-holes and bumps in the road. All the rubber in the rear was replaced and new shox installed. I have emptied the boot. Is the exhaust prone to swaying about? If I grab hold of the rear pipe it seems pretty well located.  Any suggestions? I think I remember the same affliction on my previous Coupe.
Although you've had all the bushes replaced it would still be a good idea to have it in the air and look at the panhard rod bushes again, as the noise you are describing sounds like mine did on my 2c when the combined rubber & metal bushes failed.
Brian
8227 Cool
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Own 1966 Fulvia 2C Berlina since 1997, back on road 11-1999.Known as "Fay"
2006 Renault Megane 1 5 Dci Sports Tourer
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Neil
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« Reply #2 on: 09 August, 2021, 11:44:56 AM »

Did you replace the shackle blocks that are attached on the rear of the springs which are under the boot floor?
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Neil   
386

1973 Fulvia S2 1.3
lancialulu
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« Reply #3 on: 09 August, 2021, 01:11:33 PM »

silencer s probably the culprit. look for witness marks.

Or something loose in the boot?....
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Its not the winning but taking part! or is it taking apart?
1955 Aurelia B12
1967 Flavia Vignale iniezione
1967 Fulvia 1.3HFR
1972 Fulvia 1600HF
1972 Fulvia 1600HF
1972 1600 Fulvia Sport
1979 2500 Gamma Coupe
1988 Delta 1.6GTi
1998 Zeta
dhla40
Senior Member
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Posts: 136


« Reply #4 on: 09 August, 2021, 04:15:10 PM »

My clonk was shock top mounting bolt not tight enough.

Sean
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1976 1.3s coupe
1973 1.3s coupe
1982 montecarlo project
1976 alfa GT
1981 alfa spider
Neil
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« Reply #5 on: 09 August, 2021, 04:28:21 PM »

That was an easy fix, I found my were loose but my suspension squeaked.
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Neil   
386

1973 Fulvia S2 1.3
simonpen
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Posts: 99


« Reply #6 on: 20 August, 2021, 01:25:42 PM »

Problem solved. Started the car and the exhaust fell off which meant I had to get underneath and have a good look. It looks to me as if someone has fitted a S2 exhaust to my car which just does not fit properly resulting in the exhaust hitting the panhard rod mount.
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1969 Rallye 1.3S
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