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Old Aug 11, 2008 | 07:47 PM
  #1  
tomrooster-1's Avatar
tomrooster-1
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From: Monroe NJ
Help with PS pump

How do you remove the pully from the ps pump? I tried removing the allen head screw from the center but it is really stuborn 78 f150 Tom

[http://i40.photobucket.com/albums/e2...ug-2008025.jpg
 
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Old Aug 11, 2008 | 07:58 PM
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thats not a screw, you need a pulley puller...... i thought the same thing until i got on here and found that out
 
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Old Aug 11, 2008 | 08:06 PM
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It's just pressed on? What about the threads that are under the allen head screw is that for removing the pully ? Tom
 
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Old Aug 11, 2008 | 08:28 PM
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It is interference-fit. You need a special puller to remove the pulley. It is the only way. It is a special type of puller that has jaws that clamp the nose of the pulley, and it pushes against the center shaft little by little.
 
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Old Aug 11, 2008 | 10:28 PM
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If I can suggest? Try a location like Advance Auto. They have the 'loan a tool' program, and might have the puller you need to get the job done without damage to the pulley or pump. Heck, I'd walk the old one and the new one right into the store and do it on site.

S-
 
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Old Aug 12, 2008 | 01:36 AM
  #6  
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i own one of the pullers, it ended up in my tool box, dont know where from but part of it is missing. no prob. the threads are to get the pully back on the shaft. with the puller and an impact it doesnt take long to do. without....yikes
 
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Old Aug 12, 2008 | 06:20 AM
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If you buy the PS pulley tool, make sure you get the one that removes and installs the pulley. You do not want to just drive it back on there after you rebuild the pump. Found this out the hard way.
 
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Old Aug 12, 2008 | 02:18 PM
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If a 1978 or newer truck, make sure you get the correct P/S pump.

1977 and earlier P/S pumps are completely different, no parts interchange.

The hoses from a '78 will not work on a '77 and earlier pump.
 
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