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Buzzing coil?

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Old Apr 30, 2009 | 02:56 PM
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ejanzen
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From: Carvel, AB
Buzzing coil?

So I was doing some work on my truck (1992 F-250 w/351) in my garage. It was quiet since all my kids were away. I put a new sector shaft seal in and before I reattached the pitman arm, I started the truck and turned the steering wheel all the way right and back again to see if it would leak. When I shut off the truck and walked back to the front of it I could hear a buzzing and it sounded like it was coming from the coil. It stopped in a few seconds, but I was wondering if this is normal?
 
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Old Apr 30, 2009 | 03:01 PM
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From: southern md
maybe the fuel pump relay?
 
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Old Apr 30, 2009 | 03:11 PM
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Is that close to where the coil is? I could hear the buzzing when I was standing by the drivers side fender and the hood was open.
 
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Old Apr 30, 2009 | 03:11 PM
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From: Easton,Ks
It was one of the three vacuum solenoids bleeding vacuum (EGR [EVR], AIR B or AIR D).
One of them may be bad.
 
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Old Apr 30, 2009 | 03:24 PM
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From: southern md
Originally Posted by subford
It was one of the three vacuum solenoids bleeding vacuum (EGR [EVR], AIR B or AIR D).
One of them may be bad.
yeah that makes more sense-they are on the drivers side valve cover right?or pretty close to it
 
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