I am trying to replace a Combination valve but i can't loosen the Steel lines seem like they are frozen what can i use to loosen the Steel lines?
Mar 4, 2014 at 12:53 PM
1990 Chevrolet Silverado Combination valve
JOE1953
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penetrating oil or some low heat carefully
Mar 5, 2014 at 9:52 PM
I did get the lines loosen by using penetrating oil and a hammer and i replace the combination valve i need to know how do i bleed the combination valve?
Mar 6, 2014 at 1:14 AM
the best way is to bleed it at the bottom of valve if your brake light comes on it may not be centered but try gravity bleeding first with both or all bottom ones open or cracked loose. if it comes worse to worse you'll have ot bleed the whole system in normal way unless this has anti lock brakes.
Mar 6, 2014 at 1:26 AM
how do i know when the gravity bleeding is finish? what do you mean about if it comes worse to worse?
Mar 8, 2014 at 10:15 AM
it means if you don't get eh system bled correctly you'll have to bleed the whole system. when gravity bleed is done it should just be fluid. actually just rent a power bleeder and do th whole system
Mar 9, 2014 at 12:10 AM
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