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NCT rear brake imbalance

CailinGaillimh · 2015-02-19 08:41:45

Have a 1997 starlet, took her for the NCT early last week & failed on parking break and then the rear breaks imbalanced.. Sent her off to the mechanic (again, there for almost a week pretty first NCT) and got her retested this morning.. rear failed again just over the limit... mechanic is baffled! Break pads etc have all…

19-02-2015 8:41am

#1

CailinGaillimh

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Have a 1997 starlet, took her for the NCT early last week & failed on parking break and then the rear breaks imbalanced..

Sent her off to the mechanic (again, there for almost a week pretty first NCT) and got her retested this morning.. rear failed again just over the limit... mechanic is baffled! Break pads etc have all been changed,tightened and all that jazz.. anyone have any ideas??

Never really had an issue with the car up until now!

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Comments

#2 19-02-2015 11:48am

CJhaughey

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See here, could be the same issue.http://www.boards.ie/vbulletin/showthread.php?t=2057382118
Not sure if the valve is the same on the Starlet as the Avensis/Corolla but knowing Toyota its highly likely.

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#3 19-02-2015 12:25pm

dooroy

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I presume that you have brake shoes in the back.
I have heard of a few cases where , having just had new shoes fitted they failed the test . But passed later after being used for a while .
I think that new shoes need time to 'bed in' and do not perform properly until they have been used for a while . If you fit new shoes and remove the drums again after only a few miles you often find that there are shiny and dull parts on the shoes - the dull parts are not yet contacting the drum. Remove them again after a few weeks, for example,and the whole shoe will be shiny - full contact.
And on older cars you may have the added problem of worn/oval drums.

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#4 18-05-2015 1:09pm

CailinGaillimh

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Car finally got through a few weeks ago (Don't know how).. Now contending with a leaking roof, just replaced windscreen... AAAAAAAAAAAAAAHHHHHHHHHH

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