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Turboless diesel

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  #91  
Old 01-18-2017, 10:05 AM
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nature of the animal. the master cylinder has a small piston. by upgrading to the F-superduty master cylinder it reduces almost all the pedal fade.
 
  #92  
Old 01-18-2017, 10:31 AM
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Alright. If I do that I will have to bleed all the brakes again correct?

Unrelated question. How do I get this so when I want to reply I don't have to delete the last posts quote? My reply button is gone.
 
  #93  
Old 01-18-2017, 11:04 AM
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Originally Posted by MTP55
The brake pedal in this truck likes to sink almost to the floor before stopping the truck. Is this bad brakes, system needing bleeding, or rear brake adjustment?
Some combination of all three but mostly the first two. Decades old brake hoses aren't helping either.

Even in tip top condition it's not gonna feel like a modern vehicle because the master cylinder is fairly small compared to the brakes and the booster is fairly small compared to the master. This will give it a more linear feel in the first part of the pedal travel than most modern vehicles which are basically an on/off switch at the beginning.

Toss on a hydro-boost if you don't like it.

Don't just toss on a bigger master cylinder without modifying anything else. Unless you have other problems that you solve along the way this will makes your brakes worse, not better.

Originally Posted by MTP55
Alright. If I do that I will have to bleed all the brakes again correct?
Bleed right to left and rear to front. If the bleeders are seized on the calipers you can crack the banjo bolt instead but it will not be possible to catch and re-use the fluid (which you shouldn't do unless you've drained the brake system and have poured in all new fluid). If the rear bleeders are seized you can do the same trick but it doesn't work as well due to the shape of the cylinder and location of the bleeder. New rear cylinders are also cheap, like under $20 for both if you shop around.
 
  #94  
Old 01-18-2017, 11:24 AM
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agreed on the above. a hydro-boost system is the best upgrade for the brakes because it includes the larger master cylinder while also getting rod of the vacuum assist booster and expensive vacuum pump.

the lack of quick reply option is part of the cell phone mobile system.
it is only available on a pc system.
 
  #95  
Old 01-19-2017, 12:57 PM
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So what you're saying is that if I leave it how it is awhile my brakes aren't actually failing?
 
  #96  
Old 01-19-2017, 01:15 PM
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nope. but i would adjust the rear brakes. that should raise the pedal a bit.
 
  #97  
Old 01-19-2017, 01:37 PM
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Alright. Thanks.
 
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