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post #1 of 4 (permalink) Old 31st May 2011 Thread Starter
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Replacing Kangoo brakes

My Kangoo has + 100,000 miles on it and all the discs are worn. I intend to replace all the discs and pads and have done this succesfully on previous cars. However, all jobs on this car are a proverbial pain in the butt.

The front discs have two bolts in them with I believe torx fittings to undo them. They are only at 5ft/lb but locked solid. Any ideas on releasing them? I have already sprayed WD40 on them and put the wheels back until I'm more informed!

The bolts appear to be a soft alloy and I get a feeling I am going to strip the torx bit.

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post #2 of 4 (permalink) Old 31st May 2011
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Re: Replacing Kangoo brakes

Hello and welcome to the forum.

You should find that hitting the area around the bolts with a hammer hard a couple of times will shock the threads loose and they will come out easily.You could try an impact wrench with a suitable socket but that will usually round the torx head out and then you'll have to drill the heads off.

I'd rather push my Alfa than drive a BMW....
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post #3 of 4 (permalink) Old 4th June 2011 Thread Starter
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Re: Replacing Kangoo brakes

Well as I prophesised it's all gone pear shaped! Tried rapping the hub where the bolts are, tried a slim metal rod to insert into the bolt to shock it with a hammer blow or two. Rock solid, so much so that even the T40 tool won't budge it, all that did was to strip the torx fixing in the bolt!!! Tried heating with a blow torch and some top quality bolt extractors. I think not only are these bolts overtightened they have used a thread sealant. This car is a total waste of space. It will get it's CT (French MOT) next March then it is going. You need more than 18 months on a French CT to sell a car.
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post #4 of 4 (permalink) Old 4th June 2011
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Re: Replacing Kangoo brakes

The ends of the disc retaing screws protrude slightly at the back of the hub and become corroded. Quite a common problem and not just on Renaults I'm afraid. The only purpose the screws do is to retain the disc when the wheel is removed. They perfrom no safety function when in fact the discs are primarliy held in place by the wheel and its bolts or studs.

Most people just drill the heads off and fit the new discs but if you drill a small hole in the centre of the existing unmovable bolts you can force a self-tapper in and as long as its head doesn't interfere with the wheel all should be OK. One screw is sufficient.
I have done this on mumerous occasions. Some makes of car have no retaining screws whatsoever and as corrosion between the new disc and hub forms fairly rapidly the disc remains in place when the wheel is removed.

I wouldn't recommend heating the bolts too hot in case it damages the wheel bearing.
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brakes , kangoo , replacing

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