Rear brake lines exploded while bleeding brake fluid

[benztech82]

Today I installed 5th gen front brake upgrade and decided to bleed rear calipers as well. During the process rear left metal brake line exploded. It's the one that is routed over rear axle in to flex and then attached to rear axle. So it's the one that is connected between rear axle and beside the front of the gas tank.
Now the question. Do I have to drop the fuel tank to replace that section or only tank armour ?

Thank you.



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[benztech82]

It's yellow and purple one.

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[luke87gt]

Wait, what? What do you mean "exploded"?

 

[benztech82]

Wait, what? What do you mean "exploded"?

I was bleeding the system after 5th gen caliper upgrade and when I was pushing the brake pedal while my friend was bleeding rear left caliper all I could hear from the back was Fu..... When I stepped out to see what's up I found him covered in brake fluid and complete rear end was coated in brake fluid as well.

Line that goes between the gas tank and rear axle corroded just before fitting to rubber brake hose, to the point we're it would not hold excessive pressure during bleeding procedure.

Good thing is, universal lines are easy to install if you got new fittings and brake line tools.

2005 V6 LTD 186k