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2005 Duramax

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Old 11-09-2010, 04:53 PM
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Default 2005 Duramax
I have a 2005 Duramax LLY on the left bank started making pinging like lifters and now have blow back through the air filter box not sure of the symptoms but my thought is broken valve spring anyone experienced this
 
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Old 11-09-2010, 04:58 PM
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pull the valve covers, thats not bueno at all
 
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Old 11-09-2010, 05:00 PM
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Will Do you would think if it was busted spring it would down on power but it is not
 
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Old 11-09-2010, 05:04 PM
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was there a miss to it?
 
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Old 11-09-2010, 05:13 PM
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howdy!!!
 
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Old 11-09-2010, 05:14 PM
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Not at all and this is what is strange . I had all the fuel injector checked and they are all within tolerances
 
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Old 11-09-2010, 05:17 PM
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the do a cut out test?
 
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Old 11-09-2010, 05:25 PM
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OK I will try that
 
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Old 11-09-2010, 05:39 PM
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your still going to have to pull them covers
 
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