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The mkiv Supra Owners Club

how to fit discs?


supra_si

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I just swapped over to ls400 calipers and I had set aside a whole day to do it but when I got to the caliper bolts I just couldn't get enough torque on them. In the end I took it to my local garage and I used his 3ft breaker on them but it was touch and go as to whether or not they would shear, you could almost feel the bolt want to snap. That was just mine though, I don't know if all jspecs have loctite on them.

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how are they held in, i have changed the pads before, whats the process to get the discs off??

 

Mine weren't held in by anything once the wheel came off, but they should have two screws that go in to locate the disc and hold it there whilst you mount everything. They sit flush with the surface of the disc and are usually a star head. In the past i've had them sieze on me but if they do you can just drill them out as it doesn't matter if you damage the old disc. After that all it needs is a few smacks with a rubber hammer and it should come away.

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right well i will get some ordered tomorrow, cheers for the replies

 

As others have said, it's an easy job provided you have the tools. Make sure you have a suitably strong torque wrench to get the caliper bolts torqued up correctly.

 

The only gotcha is if the pistons need winding back, be very careful with this and make sure you have the right tools for the job, it is all too easy to damage a piston if they are not pushed back correctly.

 

Are you replacing with OEM discs?

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Just a quickie on this. How do you guys get the leverage on the caliper bolts without a ramp/pit.

 

I have a 2ft breaker and can't budge them as i can't get any weight behind them. My hand is in the wheelarch and i can't get my weight above it.

 

I want the calipers off to paint them. Going to do the brake lines and fluid too.

 

Cheers

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Just a quickie on this. How do you guys get the leverage on the caliper bolts without a ramp/pit.

 

It's a bit tight, I normally remove the lower coilover bolt which allows the hub and caliper to be moved down a few inches which gets gives a lot more room to get a socket and breaker bar on.

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It's a bit tight, I normally remove the lower coilover bolt which allows the hub and caliper to be moved down a few inches which gets gives a lot more room to get a socket and breaker bar on.

 

Ahh good plan, i'll give that a go. Thanks Darryl.

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