Brakes tweeking

[Chriscanoe]

The Drove the 62 to work this morning. When she picked me up the brake peddle would go to the floor sometimes, then other times it would stop higher. When I camr to a light and stoped and kept preasure on the brake it would slowly go to the floor. I have not had time to try bleeding them, and I am suspicious of it being the mastre cylender. anny Ideas? BTW this just started without warning or any work done. The brake fluid level is full.

 

[Tinker]

Rebuild your M/C, then flush & bleed the entire system.

 

[Chriscanoe]

How difficult is rebuilding a MC , and do you have any helpfull hints? Thanks!

 

[schaats]

Rebuilding Brake master cylinder is easy job.
Get correct rebuild kit and only remove 2ea of flare tube and remove four bolt and remove master cylinder from brake booster.
I wanna recommand check brake booster also when rebuilding masterc cylinder.
Leaking master cylinder loss fluid into booster generally.
After finish rebuilt master cylinder, bleed carefully.

Oh, Min Seok

 

[Tinker]

You could search for it on this forum, but it's simple:

Buy a good brake hone in the proper size (7/8" IIRC) - I recommend Snap-On

Buy or borrow a small 110V variable-speed drill (lighter than a cordless)

Soak all the line fittings & nuts with Rust Blaster

Try to remove the fittings with a regular end wrench: if they won't budge get a flare wrench (Sears - 14mm I'm guessing)

Lube the M/C bore with brake fluid (buy a couple quarts - you'll need it) for honing. Follow the directions with the hone

Assemble & bleed per FSM - use lots of fluid

Modified Junkyard bleeding method - get 6-8' of clear plastic tube that just fits over the bleeder valves & 4 big glass jars with metal lids. Punch holes in the lids so the tube just fits in. Put one on each adjuster valve & open all the valves. Pour lots of fluid in the M/C. At the junkyard they just let it run onto the ground (pre EPA).

 

[roscoFJ73]

How difficult is rebuilding a MC , and do you have any helpfull hints? Thanks!

Dont bother as youll probably end up having to buy a new one anyway.