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The mkiv Supra Owners Club

Brake pipes


Dnk
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Has anyone changed the brake pipes on the rear of a tt, i mean all the pipes across the axle not just the braided lines to the calipers ?

 

Can this be done without dropping the subframe ? has anyone got any pics or diagrams of the rear brake pipes ?

 

Cheers

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I was trawling through a few threads about this and the fuel lines recently and I think Ibrar mentioned that the subframe would need to be dropped IF you were fitting the stock toyota part that comes pre shaped........others with the right gear made theirs up with the subframe in situ afaik.

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i replaced both my rear brake pipes and ragging the existing pipes out really leaves you in no doubt getting some pre shaped Toyota pipes in would be very difficult, they are definately installed without the sub frame fitted. I bought a copper/nickel tube kit and borrowed a flaring tool off a chum, its quite a straight forward job to do, a bit fiddly but definately easier than dropping the rear subframe, the other issue with trying to force stock steel pipes in without dropping the subframe is kinking or you will probably damage the coating which leaves you open to the rusting issues again :(, if you use copper/nickel thats it for life, no corrosion

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Quite why Toyota still insist on using steel brake lines I do not know. Volvo have used copper based lines since the late fifties, and they just do not corrode away. Most copper based brake lines are much easier to bend to neat tight radii than steel, and easier to flare properly. Unless the rear subframe is on the deck and you are a total stickler for originality I would always suggest that you replace with Kunifer copper based lines, or similar.

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I changed the lines while my subframe was off the car, and it was still an anoying job. Unless you can pick up the lines as soon as they come out of the machine, theres no chance of getting a new brake line that hasnt had a scratch put in the cover or been slightly bent.

I got lucky with my pipe unions, although i did use a bit of heat on the rears.

 

I would deffinatly make my own if i did it again.

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