12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

Clicking noise behind cab

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Old Dec 31, 2013 | 01:03 AM
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12vcumminspower7's Avatar
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Question Clicking noise behind cab

Today I was unloading a trailer and noticed this nasty clacking noise being hind the cab,in park but when i throw it into another gear it vanishes!Any suggestions what it could be?any feed would be great!
 
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Old Dec 31, 2013 | 05:28 AM
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it could be your fuel lines if you have a stock lift pump
 
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Old Dec 31, 2013 | 01:48 PM
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If i get an Air Dog lift pump should it go away?Or can i just buy a replacement?
 
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Old Dec 31, 2013 | 03:50 PM
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yes if that is the noise then an electric pump and eliminating the mechanical pump will get rid of the noise.
 
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Old Dec 31, 2013 | 10:15 PM
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can you look under truck and between cab ? any space there ? maybe something lodged in there ?
 
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Old Jan 2, 2014 | 01:17 AM
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It sounds like the noise is coming somewhere very close to the tank,cause i stuck my hands on it was viberating really bad!
 
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