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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Smog pump stuck, help?

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Old Nov 22, 2005 | 08:03 AM
  #1  
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Smog pump stuck, help?

1988 F150 4.9L

Blew a hose after overheating due to freezing my hoses. I think the smog pump sucked some stuff in and is now stuck. How can I get it unstuck? Is it supposed to spin by hand when the belt is off? Right now it does not.
 
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Old Nov 22, 2005 | 10:30 AM
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If you froze your hoses then you need to get some anti-freeze in that thing quick. You'll have to replace the air pump.
 
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Old Nov 22, 2005 | 10:46 AM
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It is thawed and plenty of antifreeze is in it now, just can't move the smog pump. I want to bypass it, but don't know the length of belt that is on now or what shorter belt to get to bypass the smog pump.
 
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Old Nov 22, 2005 | 11:30 AM
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I've had the smog pump stuck after one of my trucks sat for awhile. I used a pipe wrench and turned it the opposite direction. I put the belt back on and it's worked fine for about a year now. But, I still expect it to quit at any time.
 
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Old Aug 15, 2006 | 11:29 AM
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Originally Posted by gov2mod
I've had the smog pump stuck after one of my trucks sat for awhile. I used a pipe wrench and turned it the opposite direction. I put the belt back on and it's worked fine for about a year now. But, I still expect it to quit at any time.
Same thing happened here ('88 F150, 300-I6) Smog pump seized up after sitting for a couple years. I tried to take it off, but the mounting bolt was frozen. I had to get a big breaker bar just to loosen it. I managed to back the bolt out, but the pump is still on there as tight as can be and I can't get it off. Is there another bolt on it? I didn't see one.
 
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Old Aug 22, 2006 | 05:58 PM
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I think it is a 99" 6 rib if not its is an inch shorter or longer
 
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