Soft Brake Pedal

[tmcmanus2012]

The brake lines between the master cylinder and HRU ruptured and I lost all the fluid in the master cylinder on my 2000 dodge Ram 1500 Laramie. Will I need to bleed the master cylinder and HRU unit ? If what is the correct procedure for doing this.

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[Bear_Gibson]

The brake lines between the master cylinder and HRU ruptured and I lost all the fluid in the master cylinder on my 2000 dodge Ram 1500 Laramie. Will I need to bleed the master cylinder and HRU unit ? If what is the correct procedure for doing this.

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HRU? As in the rear wheel anti lock? I accidentally ran air through my system when power flushing my 99 last weekend. I was able to bleed it without any scan tool. I do have a power bleeder though. Best 35 I ever spent on Amazon.

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[Bear_Gibson]

Manual says you have to bleed the Master cylinder before anything else. Then left rear, right rear, right front, left front. It also says to move the pin in the combination valve when bleeding the front.

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[tmcmanus2012]

Ok thank you

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[Bear_Gibson]

Ok thank you

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One last thing, if you decide to power bleed, the manual says no more than 15 psi. Otherwise you could rupture the master cylinder tank.

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[tmcmanus2012]

That's good to know

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[bm02tj]

To bleed the master it needs to be level
That is the cylinder not the truck