Brake Issue
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Senior User
Joined: Jan 2011
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Brake Issue
Just recently i replaced some brake lines on the way to the rear axle and bleed the lines just fine until this morning, it was snowing and raining last night, and when i started the truck up the brake pedal hardly wants to even compress at all. I hardly have any braking power at all. Is this an issue of not getting the line totally bled? Because everything is tight and im not loosing any fluid anywhere... Please help
Lead Driver
Joined: Mar 2006
Posts: 5,111
Likes: 1,544
From: western SD
This sounds to me like a problem in the vaccume. Either the booster is leaking vaccume, or the pump is shot. If the heater control defaults to defrost no matter what position the **** is in , usually points to a faulty vaccume pump. The pump should pull a minimum of 19 inches.
Postmaster
Joined: Mar 2004
Posts: 3,897
Likes: 9
Ideally, a vacuum gauge, though you could stick it on your neck and see if it leaves a mark :P. If you recently replaced the pump I would start with checking for leaks though. A mighty vac setup would probably work to put vacuum on the system and isolate any possible air intrusion
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