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hissing sound from under truck

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Old Nov 19, 2005 | 03:58 AM
  #1  
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Default hissing sound from under truck

Just started hearing a hissing sound from under the truck. You can only hear it when you are in park just idling. Any suggestions......
 
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Old Nov 19, 2005 | 04:19 AM
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Default RE: hissing sound from under truck

Fuel pump? Typical sound for GM's, so I figure it would be the same for Dodge's.
 
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Old Nov 19, 2005 | 07:25 AM
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Default RE: hissing sound from under truck

condensation burning off?
 
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Old Nov 19, 2005 | 11:20 AM
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Default RE: hissing sound from under truck

Pissed Off cat that was sleeping under your truck?
 
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Old Nov 19, 2005 | 07:58 PM
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Vaccuum leak?
 
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Old Nov 19, 2005 | 09:42 PM
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Default RE: hissing sound from under truck

tighten up your bolts on your exhaust manifold. .It's ehaust gases leaking out. I had that problem now it's fixed.
 
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Old Nov 19, 2005 | 10:29 PM
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Default RE: hissing sound from under truck

Exhaust doesnt hiss though. It makes a pffft pfft pfft pfft sound haha.
 
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Old Nov 20, 2005 | 12:00 PM
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A/C?

Where is it comeing from? Constant? Pitch?
 
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Old Nov 20, 2005 | 09:15 PM
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Default RE: hissing sound from under truck

Snakes, gotta be snakes.
 
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Old Nov 21, 2005 | 04:10 PM
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Default RE: hissing sound from under truck

Found out it was an emission hose. The piece was cracked all over. Thanks for the replies.
 
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