Over the past few days the TF was at the garage to source a knocking at the rear. The garage, inspected the underneath etc and deemed all was in order, all bushes etc were in good condition but couldnt find the source of the knocking.
We test drove the car together and agreed the noise was coming from both sides. The noise can be heard on small bumps, doesnt need to be speed humps etc. The noise is not clunking or a heavy noise if you know what I mean.
As nothing is showing as failed bushes etc mechanic thinks it may be the rear shockers as the noise it at both sides. We decided to wait and see if it gets worse or if the source becomes more evident.
It's been suggested by a couple of TF owners the complaince bushes may be at fault. Maybe the mechanic has missed them or they are difficult to see? anyway my question is, would failing (or failed ) compliance bushes give this low level knocking noise on minor bumps?
Anyone know about Compliance Bushes?
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Not many rules really, this board being aimed at technical issues, it shouldn't fall foul (hopefully) of some of the more personal issues that can affect forums.
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Because advice is honestly and freely given in this technical section, much of it will be amateur experienced based, so any information is given in good faith and is not guaranteed as correct.
Not many rules really, this board being aimed at technical issues, it shouldn't fall foul (hopefully) of some of the more personal issues that can affect forums.
Rule 1 - Is that you need to think very carefully before posting anything technical or asking anything technical relating to the security system of the car - See 'Security Issues' sticky for more info.
Rule 2 - We (MGF Register) do not support copyright infringement and therefore references to CD ROM, PDF versions or paper copies of the workshop manual (for instance) should not be posted on the forum. We don't want to get into trouble and we'd rather sell you a genuine hard copy through our Regalia shop anyway!
![Smile :)](./images/smilies/icon_e_smile.gif)
Because advice is honestly and freely given in this technical section, much of it will be amateur experienced based, so any information is given in good faith and is not guaranteed as correct.
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Re: Anyone know about Compliance Bushes?
Compliance bush of one of the trailing arms were my first thought as well, as all the other links and bearings had been checked. They are a bit difficult to get to indeed.
On my old F I hat a rattle coming from the rear end, and it turned out to be a knackered cat, the ceramic bit inside was completely loose and reduced to the size of a small bread roll.
Another possible culprit could be one or both of the rubber mountings for the backbox hangers. One of them is quite worn on my F and this generates funny noises, too. You can check this by simply moving the tailpipes up and down.On my old F I hat a rattle coming from the rear end, and it turned out to be a knackered cat, the ceramic bit inside was completely loose and reduced to the size of a small bread roll.
MGTF:
2004 TF 135 in Monogram Spectre, black leather, RHD
MGZR:
2001 ZR 160 in Solar Red, LHD, LPG conv
Classic:
1972 MG Midget MkIII RWA in Blaze Red
MGF Register regional rep for Germany -- germany@mgfregister.org
2004 TF 135 in Monogram Spectre, black leather, RHD
MGZR:
2001 ZR 160 in Solar Red, LHD, LPG conv
Classic:
1972 MG Midget MkIII RWA in Blaze Red
MGF Register regional rep for Germany -- germany@mgfregister.org
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- Regional Rep
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- Joined: Mon Nov 23, 2009 5:22 pm
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Re: Anyone know about Compliance Bushes?
Thanks for the replies. Im sure the problem sits withthe shockers or the compliance bushes so I'll try this weekend, weather permitting, to have a look underneath but eventually it will need to go back to the garage for further investigation.