spongy brakes

[guitarranger11]

What would cause air to get into the master cylinder. I just bled the front but noticed that the rear brake side of the master cylinder has a bunch of real small bubbles in the brake fluid when you push on the brakes. Thanks again everyone

Topic

[dreamer2355]

Quoted From BigC:

For “shims”, I believe Eric is referring to the thin metal anti-vibration dampners that sometimes come with disc brake pads. These shims are applied to the back of the disc brake pads. For rear drum brakes, they are typically adjusted using the “adjust screw” or “star adjuster”. Some vehicles have an access point on the rear side of the hub for adjustment (removal of the rubber plug is required). Other vehicles have access on the front side of the drum (like my ’94 Camry). And some will require the removal of the drum to physically access the star adjuster. Please see the link below. Good luck and keep us posted.

http://www.youtube.com/watch?v=MCpCkun2 … r_embedded (check out the 17:00 mark)

Great post BigC!

The above linked video should answer all your questions. If not, feel free to ask again here C8-)

[guitarranger11]

Thank you so much bigC I now got the drum brakes adjusted I have one more brake to bleed the front drivers side but the brakes where making a massive scrapping sound so I looked into it and come to find out the rotor shiel(dust shield) was so bent that the rotor was scrapping against it. I can’t find a new one around here and I don’t feel like going to a bone yard and having to pull another hub so tomorrow I’m gonna pull it off and straightening it myself and then bleed it and hope and pray It’s fixed because they need their jeep. Oh I failed to mention that I replaced the master cylinder. I did this because there was a little crack by one of the ports where the brake line went in. I plugged that port where the line went in and a little brake fluid would drip out so I replaced it and bench bled the new master cylinder and plugged both ports and no leaks so I’m hoping the problems solved. I will post results tomorrow and I know I thanked bigC but I really want to thank everyone

[EricTheCarGuy]

You may just be able to bend the splash shield out of the way while it’s still on the car, in fact I would try that first before replacing it, it is only a splash shield after all and not critical to the operation of the brakes themselves. Keep us posted on your progress.

[guitarranger11]

Eureka everyone I have finished the job. I traced the problem to a very small crack in one of the inlet where the brake line goes into the master cylinder. I replaced that master and the brakes are fabulous and my customer is extremely happy. Oh ya as for the brake (splash) shield was beyond repair and he wanted a new one and I tried napa, rock auto, advance auto, auto zone, checker auto and the only place I could get the darn thing was the dealer at the dealer price of $29.85 now onto my next 2 jobs replacing the water pump and heater core on a 91 geo metro and figure out a sputtering 96 firebird. Again I thank you and salute you all, you guys are my life line

[dreamer2355]

Thanks for posting the fix!

[EricTheCarGuy]

Yes thanks for posting the fix it goes on to help others that use the search function and thank you for using the ETCG forum.

[Author]

Replies