Knocking noise from the rear of your car

iw_Laurence · 25-09-2008, 10:06 PM

Sound familiar?
This is a very commen problem on the corsa B. It is usually your backbox pipe knocking on the rear beam. You can solve this by getting smaller exhaust rubbers, buying a d.i.y exhaust clamp and place it into the heatshield or modify the rubbers on the mid-section.

Another method is to loosen the 'u' clamp around the backbox, push the backbox up at the join the the centre section, then re-clamp.

Hope this helped, and if you have a problem, use the search button to check if someone has asked the same question as you ...

**Vegas** · 27-09-2008, 10:18 PM

will try this, thanks. Do places like halford sell them

iw_Laurence · 28-09-2008, 04:17 AM

not sure. give rufio a pm because i think hes done this

REBEL ROB · 02-10-2008, 03:02 PM

mine hits against the spare wheel...really annoying..

**Vegas** · 02-10-2008, 04:39 PM

still can;t sought mine, tried smaller rubbers

Rufio · 02-10-2008, 05:30 PM

Yeah i bought a clamp from halfords which is attached to a strip of rubber and then long piece of metal. I attached the clamp to the exhaust at the peak of the bend where it goes round the back axle and then found where the heat sheild is screwed on and attahced the metal within the heat sheld and bolted back up.

**Vegas** · 02-10-2008, 06:02 PM

mine looks like its hit one the cross beam thingy, thats goe sto either side the car

Rufio · 02-10-2008, 06:21 PM

yeah i think its the chassie that covers the rear axle.

**jt999** · 02-10-2008, 06:39 PM

Its the midget in the boot with a hammer, just sell him to the circus

cool corsa · 03-10-2008, 02:01 PM

i went to my local halfords, asked if they did clamps or rubbers for the exhaust but they didn't have any.. don't know about the halfords around your places. don't know where to do now

Rufio · 03-10-2008, 08:18 PM

You sure they wern't having a laugh?! or maybe just a really bad halfords. everyone i've been in have them.

**madmitch65** · 03-10-2008, 08:28 PM

if you need your exhaust looking at take it to the exhaust and tyre center they well some sort them out for free and if it costs you it will only be a small charge i did work in kwikfit he he take your car when the place is empty some young lad will do it for free

cool corsa · 04-10-2008, 12:37 PM

i did know the boy who worked in there, he looked really bored so maybe he was doing it for the laugh. i'll go back up there in a bit. tell him i want to speak to the manager lol. that will make him shift :P

joydivision · 14-07-2009, 12:50 AM

I've just had a new mid and back fitted and the problem has gone anyway. No more knocks, just hope it lasts.

Loque · 14-07-2009, 01:33 AM

Give it time...

Easiest way I found was putting in an extra mounting point in the recess...

Corsa_Alex · 14-07-2009, 10:32 AM

When i start up my car, then reverse, it always knocks. Quite loud, i just ignore it though

steve-0 · 23-07-2009, 09:27 PM

just wrap some rubber round your exhaust where it hits the beam so then the rubber hits the beam

NathanRigby · 21-12-2009, 05:46 PM

Mine was damaged in an accident and the replacement didn;t have this issue. Although it was a problem beforehand.

qpr1991 · 07-02-2010, 07:18 AM

yeah had the same problem on mine just bought a strip of heat resistant rubber placed it on top of the exhaust and it fixed the problem

**JBrown92** · 23-03-2010, 02:11 PM

Mine was knocking on the rear beam aswell. I used a exhaust rubber ring (not sure if that what it is actually called) instead of the standard rubber it worked a dream. Hope this helps.

25-09-2008, 10:06 PM	#1
iw_Laurence Senior Member Join Date: Nov 2007 Location: Isle of Wight Drives: Saxo VTR 16v , Pug 205 1.9 GTI Gender: Posts: 1,153 iTrader: (1) Thanks: 5 Thanked 20 Times in 13 Posts	Knocking noise from the rear of your car Sound familiar? This is a very commen problem on the corsa B. It is usually your backbox pipe knocking on the rear beam. You can solve this by getting smaller exhaust rubbers, buying a d.i.y exhaust clamp and place it into the heatshield or modify the rubbers on the mid-section. Another method is to loosen the 'u' clamp around the backbox, push the backbox up at the join the the centre section, then re-clamp. Hope this helped, and if you have a problem, use the search button to check if someone has asked the same question as you ... Last edited by Lee; 28-09-2008 at 09:35 AM.. Reason: Added more info and tidied up.

27-09-2008, 10:18 PM	#2
Vegas Gold Member Join Date: Aug 2008 Location: Essex Drives: Corsa Vegas Gender: Posts: 8,087 iTrader: (8) Thanks: 245 Thanked 359 Times in 337 Posts	will try this, thanks. Do places like halford sell them __________________ My project thread Dave says: you know about it? ...Mark.. . says: yeah i spent many a years studying Dave says: i reli cant tell if ur being sarcastic or not, lol... ...Mark.. . says: Thats what i love about people who know me Dave says: haha, ur level of sarcasm is not to be rivaled...

02-10-2008, 04:39 PM	#5
Vegas Gold Member Join Date: Aug 2008 Location: Essex Drives: Corsa Vegas Gender: Posts: 8,087 iTrader: (8) Thanks: 245 Thanked 359 Times in 337 Posts	still can;t sought mine, tried smaller rubbers __________________ My project thread Dave says: you know about it? ...Mark.. . says: yeah i spent many a years studying Dave says: i reli cant tell if ur being sarcastic or not, lol... ...Mark.. . says: Thats what i love about people who know me Dave says: haha, ur level of sarcasm is not to be rivaled...

02-10-2008, 06:02 PM	#7
Vegas Gold Member Join Date: Aug 2008 Location: Essex Drives: Corsa Vegas Gender: Posts: 8,087 iTrader: (8) Thanks: 245 Thanked 359 Times in 337 Posts	mine looks like its hit one the cross beam thingy, thats goe sto either side the car __________________ My project thread Dave says: you know about it? ...Mark.. . says: yeah i spent many a years studying Dave says: i reli cant tell if ur being sarcastic or not, lol... ...Mark.. . says: Thats what i love about people who know me Dave says: haha, ur level of sarcasm is not to be rivaled...

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

28-09-2008, 04:17 AM	#3
iw_Laurence Senior Member Join Date: Nov 2007 Location: Isle of Wight Drives: Saxo VTR 16v , Pug 205 1.9 GTI Gender: Posts: 1,153 iTrader: (1) Thanks: 5 Thanked 20 Times in 13 Posts	not sure. give rufio a pm because i think hes done this

02-10-2008, 03:02 PM	#4
REBEL ROB Member Join Date: Sep 2008 Location: margate, Kent Drives: Vauxhall astra mk4 1.6 16v sxi Gender: Posts: 298 iTrader: (0) Thanks: 2 Thanked 4 Times in 4 Posts	mine hits against the spare wheel...really annoying..

02-10-2008, 05:30 PM	#6
Rufio Senior Member Join Date: Mar 2008 Location: Bournemouth/Bristol Drives: Spartan Roadster/Clio/Volvo S80 Gender: Posts: 2,566 iTrader: (0) Thanks: 12 Thanked 7 Times in 7 Posts	Yeah i bought a clamp from halfords which is attached to a strip of rubber and then long piece of metal. I attached the clamp to the exhaust at the peak of the bend where it goes round the back axle and then found where the heat sheild is screwed on and attahced the metal within the heat sheld and bolted back up.

02-10-2008, 06:21 PM	#8
Rufio Senior Member Join Date: Mar 2008 Location: Bournemouth/Bristol Drives: Spartan Roadster/Clio/Volvo S80 Gender: Posts: 2,566 iTrader: (0) Thanks: 12 Thanked 7 Times in 7 Posts	yeah i think its the chassie that covers the rear axle.

03-10-2008, 02:01 PM	#10
cool corsa Member Join Date: Mar 2008 Location: Cwmbran, Wales Drives: corsa c Gender: Posts: 356 iTrader: (0) Thanks: 3 Thanked 2 Times in 2 Posts	i went to my local halfords, asked if they did clamps or rubbers for the exhaust but they didn't have any.. don't know about the halfords around your places. don't know where to do now

03-10-2008, 08:18 PM	#11
Rufio Senior Member Join Date: Mar 2008 Location: Bournemouth/Bristol Drives: Spartan Roadster/Clio/Volvo S80 Gender: Posts: 2,566 iTrader: (0) Thanks: 12 Thanked 7 Times in 7 Posts	You sure they wern't having a laugh?! or maybe just a really bad halfords. everyone i've been in have them.

03-10-2008, 08:28 PM	#12
madmitch65 Gold Member Join Date: Sep 2008 Location: Scotland Drives: 1999 Vauxhall Corsa Club 12V My Wee Blue Angel Gender: Posts: 270 iTrader: (0) Gallery: 1 Thanks: 18 Thanked 2 Times in 2 Posts	if you need your exhaust looking at take it to the exhaust and tyre center they well some sort them out for free and if it costs you it will only be a small charge i did work in kwikfit he he take your car when the place is empty some young lad will do it for free

04-10-2008, 12:37 PM	#13
cool corsa Member Join Date: Mar 2008 Location: Cwmbran, Wales Drives: corsa c Gender: Posts: 356 iTrader: (0) Thanks: 3 Thanked 2 Times in 2 Posts	i did know the boy who worked in there, he looked really bored so maybe he was doing it for the laugh. i'll go back up there in a bit. tell him i want to speak to the manager lol. that will make him shift :P

14-07-2009, 12:50 AM	#14
joydivision Senior Member Join Date: Oct 2008 Posts: 1,936 iTrader: (0) Thanks: 13 Thanked 87 Times in 80 Posts	I've just had a new mid and back fitted and the problem has gone anyway. No more knocks, just hope it lasts.

14-07-2009, 01:33 AM	#15
Loque Member Join Date: Jul 2009 Location: Southampton Drives: Vauxhall Corsa B 1.0 12v Breeze Gender: Posts: 340 iTrader: (0) Thanks: 2 Thanked 8 Times in 8 Posts	Give it time... Easiest way I found was putting in an extra mounting point in the recess...

Remove advertisements Sponsored links

14-07-2009, 10:32 AM	#16
Corsa_Alex Senior Member Join Date: Jun 2009 Location: Devon Drives: Corsa B 1.2 Gender: Posts: 1,670 iTrader: (0) Thanks: 58 Thanked 48 Times in 47 Posts	When i start up my car, then reverse, it always knocks. Quite loud, i just ignore it though

23-07-2009, 09:27 PM	#17
steve-0 Senior Member Join Date: Nov 2008 Location: washington Drives: corsa Gender: Posts: 1,165 iTrader: (0) Thanks: 4 Thanked 23 Times in 22 Posts	just wrap some rubber round your exhaust where it hits the beam so then the rubber hits the beam

21-12-2009, 05:46 PM	#18
NathanRigby Junior Member Join Date: Dec 2009 Posts: 61 iTrader: (0) Thanks: 10 Thanked 2 Times in 2 Posts	Mine was damaged in an accident and the replacement didn;t have this issue. Although it was a problem beforehand.

07-02-2010, 07:18 AM	#19
qpr1991 Junior Member Join Date: Feb 2010 Posts: 15 iTrader: (0) Thanks: 1 Thanked 0 Times in 0 Posts	yeah had the same problem on mine just bought a strip of heat resistant rubber placed it on top of the exhaust and it fixed the problem

23-03-2010, 02:11 PM	#20
JBrown92 Gold Member Join Date: Feb 2010 Location: Southampton Drives: Corsa B SXi Gender: Posts: 48 iTrader: (0) Thanks: 9 Thanked 0 Times in 0 Posts	Mine was knocking on the rear beam aswell. I used a exhaust rubber ring (not sure if that what it is actually called) instead of the standard rubber it worked a dream. Hope this helps.