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Old Jun 19, 2009 | 08:59 PM
  #1  
therigwelder's Avatar
therigwelder
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Tuned
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Posts: 491
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From: MS.
hydroboost

i replaced my power steering pump and changed the hose going to the brake hydroboost.now when i hit the brakes the power steering pump filler cap pops off.why?
 
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Old Jun 20, 2009 | 07:54 AM
  #2  
F350-6's Avatar
F350-6
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From: Texas
Did you use power steering fluid or ATF? You didn't get the hose kinked or put in the wrong spot did you?
 
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Old Jun 21, 2009 | 08:07 AM
  #3  
therigwelder's Avatar
therigwelder
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From: MS.
i use power steering fluid and the hose goes to a barb below the filler cap,ive made sure the cap is secured tightly
 
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Old Jun 21, 2009 | 08:14 AM
  #4  
zx250's Avatar
zx250
Of the next Riffraff East
Joined: Oct 2004
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From: Concord NC
Club FTE Gold Member
Does the new cap have a vent hole in it?
 
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Old Jun 21, 2009 | 08:18 AM
  #5  
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F350-6
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From: Texas
The hydroboost unit uses ATF, but that should only cause a loud pump, not popping the cap off. Does it feel like the power steering is working? If the pump is not working properly or not at all, the cap will pop off.
 
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