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tankyanker
Joined: 15 Dec 2007
Posts: 48
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| Posted: Sun Mar 30, 2008 12:45 pm Post subject: question no. 1 |
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| hearing strange sucking(?) noise when i let off accelerator to downshift in hard pull. dont hear it when i'm going through gears or giving it throttle, but if i'm pulling hard loaded into a hill, i hear it briefly (but noticeably) as i let off the pedal quickly to downshift. checked all the red and blue intake hoses, and everything seemed ok, but continue to hear sound. should i go back and check them again? could it be somethin in the CAC, or the wastegate in the turbo flapping? |
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pdm
Joined: 11 Feb 2008
Posts: 38
Location: Waterloo,Ontario, Canada
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| Posted: Sun Mar 30, 2008 9:41 pm Post subject: |
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| What is the year & make of your truck & engine? The more info the better, has any work been done to it recently, etc |
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tankyanker
Joined: 15 Dec 2007
Posts: 48
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| Posted: Mon Mar 31, 2008 5:33 pm Post subject: |
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| 2000 frtlner classic, c12, no recent work |
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Papa Rick
Joined: 07 Sep 2006
Posts: 318
Location: North Alabama
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| Posted: Sat Apr 05, 2008 8:20 am Post subject: |
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Just had my Turbo Gasket go out yesterday. Mine started 3 days ago making a sound only when it was winding out loaded above 1500 rps, and then when I let off the pedal and the Jakes would kick in.
When I let off of it it reminded me of a old farm tractor. When it started it was barley noticeable, but then it got louder each day and I could not find it, until yesterday.
Put my hand around the turbo gasket while running (BE Careful that dude is hot) and found the air leak.
Mine is a C-15 Cat. |
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