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mark boyko Posted on Apr 14, 2014
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I seen a comment of yours on another ? about brake fluid contamination and my 05 silverado has all brakes locking up. i had put power steering fluid in once a couple months ago due to a line blow-out to get home. my cap rubber is swelled. what have i done and what must i do to repair this?

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Hector L. Morales

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  • Chevrolet Master 649 Answers
  • Posted on Apr 14, 2014
Hector L. Morales
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Well, all rubber seals/components will have to be replaced this includes but not limited to calipers, master cylinder, wheel cylinders, ABS unit... and the system most be flushed. The used of petroleum based fluids is a no no cause the rubber components in the system are not compatible therefore causing the rubber to swell and the brake system to fail.

Testimonial: "thank you! since i am going to do the repair myself can you tell me if brake clean will be sufficient to flush the lines? or what do i use? i understand i will need to replace each of the components as well."

shannon floyd

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  • Expert 74 Answers
  • Posted on Apr 15, 2014
shannon floyd
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Sorry, have to agree with hector, anything in line with rubber seals will probably need to be replaced. start at front and work back, might get lucky and will not have to replace everything. good luck.

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5 Related Answers

Jonah Oneal

  • 14092 Answers
  • Posted on Mar 29, 2009

SOURCE: 2001 chevy sylverado 2500hd power steering and power brakes quit

check power steering fluid. first. if all good . power steering is going. your hydro boost brake system depends on the power steering pump if it goes out your brake go out.

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Anonymous

  • 13 Answers
  • Posted on Apr 21, 2009

SOURCE: 2002 chevy silverado 2500HD (automatic)

the power brakes are a hydrolic system ran off of the power steering pump. therefore if you have a busted power steering hose the power brakes will not work.

Anonymous

  • 158 Answers
  • Posted on Aug 29, 2009

SOURCE: 00 Chevy EHCU HELP

bleed each separately

Anonymous

  • 1 Answer
  • Posted on Sep 02, 2009

SOURCE: 2002 Chevy silverado 2500HD No power steering or brakes

The shaft in your power steering pump has broken. Your brakes work off of a system known as Hydra-Boost. If this shaft is broken then your steering and brakes are lost. I contacted GM after I had my power steering pump replaced and they sent me a check for the cost of my repairs. My truck was not under warranty or recalled but earlier models (2500HD) had been recalled for the power steering pump shaft. The pump was the same part number for my 2002 2500HD as the recalled years. Good Luck!

Anonymous

  • 146 Answers
  • Posted on Feb 21, 2010

SOURCE: 02 silverado 2500 duramax- loss of power steering/brakes

I know GM decided to run the brakes and power steering vacumm all off of the power steering pump on some of their trucks. This could really be a big problem because if your power steering quit it would stop supplying your brakes with vacuum to stop the truck. In my experience I would check out the situation with the steering pump. Change it for a new one. Don't take any chances on smashing your truck.

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