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

valve sticking maybe

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Old Aug 10, 2009 | 11:57 PM
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st_jsmith01's Avatar
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Diesel Fan
Joined: Aug 2009
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From: Stephenville TX
Default valve sticking maybe
When my truck is at an idle it sounds like i have an exhaust leak but its not maybe it is a valve sticking or somthing?
 
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Old Aug 11, 2009 | 07:06 AM
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is it a ticking noise? if so does it seem to come from right under the drivers side door? if so it s probably your fuel pump. mine sounds like a pinhole exaust leak.
 
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Old Aug 11, 2009 | 10:02 AM
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94cummins12v's Avatar
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From: Havre mt
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that and check your valve lash for clearance .020 exhaust and .010 intake
 
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Old Aug 11, 2009 | 05:33 PM
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I also have a ticking noise that sounds like an exhaust leak. No exhaust leak, valves are good, put in a new lift pump and it still ticks.
 
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Old Aug 12, 2009 | 12:47 AM
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are you sure it aint an knock?
 
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Old Aug 12, 2009 | 04:25 PM
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Mine is definitely a tick. Sounds just like an exhaust leak.
 
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Old Aug 12, 2009 | 04:35 PM
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From: Havre mt
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i know i had i downpipe leak for a few months because i built my own and it wasnt sealed. it didnt sound like an ordinary gasser exhaust leak
 
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