[Bandit1978]

I have a leak somewhere..rear of master cylinder towards firewall was dry .I have a one man brake bleeder where you hook up the air compressor to it..Any advice on the leak and bleeding.? Do I need to depress the valve below the master cylinder to Bleed them..

 

[billdini]

I have a leak somewhere..rear of master cylinder towards firewall was dry .I have a one man brake bleeder where you hook up the air compressor to it..Any advice on the leak and bleeding.? Do I need to depress the valve below the master cylinder to Bleed them..

Bandit you have been around here for a long time so I will assume I am reading your post wrong. First 9 out of 10 times when you have a leak on the master cylinder it needs new seals or to be replaced. The bleeder that you mention is usually used for bench bleeding too get air out of the master cylinder. Can you clarify?

 

[lucifershammer]

Are you finding fluid leaking out somewhere, or are you just finding that the fluid is low periodically and you are hunting for a leak?

 

[Bandit1978]

Bandit you have been around here for a long time so I will assume I am reading your post wrong. First 9 out of 10 times when you have a leak on the master cylinder it needs new seals or to be replaced. The bleeder that you mention is usually used for bench bleeding too get air out of the master cylinder. Can you clarify?

I meant to say I cant find anything leaking on the garage floor..As for the bleeder..it is one at harbor frieght..says you attatch a air hose to it and you can bleed your own brakes with out a helper

 

[lucifershammer]

I meant to say I cant find anything leaking on the garage floor..As for the bleeder..it is one at harbor frieght..says you attatch a air hose to it and you can bleed your own brakes with out a helper

Ah, a hidden leak somewhere is what you are hunting?

Have you pulled the brake drums off to see if one of the wheel cylinders is leaking? Sometimes they stay hidden that way for a while with all the fluid going into the inside of the drum.

 

[Bandit1978]

Ah, a hidden leak somewhere is what you are hunting?

Have you pulled the brake drums off to see if one of the wheel cylinders is leaking? Sometimes they stay hidden that way for a while with all the fluid going into the inside of the drum.

I am going to look..but nothing on the floor..Do I have to depress the button the proportional valve before I bleed the brakes?

 

[oldcutlass]

No

 

[Bandit1978]

thank you

 

[smitty454]

I meant to say I cant find anything leaking on the garage floor..As for the bleeder..it is one at harbor frieght..says you attatch a air hose to it and you can bleed your own brakes with out a helper

Theres another way. Ive had speed bleeders on my Chevelle for 10 plus years. I bought some as soon as I discovered them. The bleeders have a one way valve that only lets fluid out, no air in. I crack my bleeders, attach a hose and pump the brake pedal. Very easy

 

[shovelrick]

Some times the rear drum backing plate gets caked with bake shoe dust/debris and will soak up the leaking fluid to hide it from dripping

 

[Bandit1978]

Some times the rear drum backing plate gets caked with bake shoe dust/debris and will soak up the leaking fluid to hide it from dripping

thank you

 

[shovelrick]

You're Welcome but still need to take a look to see if that's where it's going, my dad and me found out the hard way on the side shoulder of I-75 in Tn. going from Fl. to Oh. in his 67 Ford Ranger with a " Souped Up" police Interceptor motor, bad wheel cylinder and hitch hiked to town to a parts store to replace it on the side of the interstate, fun times