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Cars > 55Stepside’s Garage > Blog > '79 Chevy truck brake problem


55Stepside’s Profile Photo


M –74
Charlotte, North Carolina
United States


'79 Chevy truck brake problem

By 55Stepside

I finally finished the brakes a couple of weeks ago. Test drive was amazing. Still have a spongy pedal but a little more bleeding will cure that. This thing stops straight as an arrow with no bouncing in the rear now. I would like to thanks everyone who contributed to the knowledge base. Greatly appreciated.


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Read comments on this blog post 1 – 10 of 15

cudacruzer’s Profile Photo
Jul 24, 2010 at 10:57 am
Nice to have it done isn't it !!! Good job, cool updates as well, thanks...
3fan4ever’s Profile Photo
Jul 21, 2010 at 12:08 pm
donnalove’s Profile Photo
Jul 20, 2010 at 6:32 pm
very cool, enjoy
twhotrod1968’s Profile Photo
Jul 19, 2010 at 3:04 pm
now have fun with it
rhonda’s Profile Photo
Jul 19, 2010 at 1:03 pm
Cool. Did you have to use the pictures you had taken to get it back My black SE TA has brake problems. Everything on the brake system is new, but they still don't work well. They say they can't get enough compression to work right.
TerryO’s Profile Photo
Jul 19, 2010 at 12:59 pm
It's always nice to se positive results form a well engineered project. Thanks for sharing.
revhard’s Profile Photo
Jul 19, 2010 at 10:32 am
good work brother Good work!
Rayman’s Profile Photo
Jul 19, 2010 at 9:37 am
Awesome glad all is sorted now!!!!
RancheroBoy’s Profile Photo
Jul 19, 2010 at 9:02 am
Another job well done!
formulas7002’s Profile Photo
Feb 5, 2010 at 11:46 am
Hi Bill,

If you have water in the master cylinder, then it is can be, and probably is everywhere in the brake system. Most of the metal components in the system are iron - the brakes heat up as you drive, and that causes condensation, that is trapped in the sealed system and causes rust - works the same as the engine heat in your exhaust system rusting the pipe & muffler. That rust sediment works on the rubber seals in the various brake components like sandpaper, and will eventually tear them up.

In your case considering the age of the truck and that you are probably like most folks and just fix things as they fail, I would start out by getting a large can of dot 4 brake fluid (dot 4 has a higher boiling point so less condensation) and flush the system until the fluid is clear. Starting from the farthest point from the master cylinder PS wheel cylinder and working your way inward, ending with the DS front caliper. I know it seems funny to start by flushing the system - but you need to make sure the fluid is as free of sediment as possible to start off with.

Then I would take apart the offending caliper - and depending upon its condition I would repair or replace it, these days it is cheaper to replace it, unless you already have the proper hones to remove the rust from the caliper cylinder.

If it were my truck I would not stop there, I would put kits in the rear wheel cylinders or replace them, if you can afford to do that, then bleed the system, making sure that not only the air is out of the system - but that the fluid is completely clear of sediment.

My dad had a saying about brakes..."If your car won't start - that is an inconvenience. If your car won't stop - you've got a PROBLEM". Never skimp on your brake system, always use the best parts, and be thorough.

That's my two cents,


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Cars > 55Stepside’s Garage > Blog > '79 Chevy truck brake problem

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