06 cummins has a slight shake at idle. - Page 2 - Dodge Cummins Diesel Forum

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post #13 of 33 (permalink) Old 03-06-2013, 08:40 PM Thread Starter
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Re: 06 cummins has a slight shake at idle.

Yeah mine only does it at idle no matter if the clutch is in or out. I just don't want it to be a injector and melt a hole in my piston. It smokes white a little when first started in the cold for around 30 seconds. Just wish I could find someone who has or had the same problem so I could fix it.

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post #14 of 33 (permalink) Old 03-06-2013, 08:50 PM
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Mine shakes very slightly at an idle but its not like it has a balance issue, it feels like blower surge rhythm but the idle is very steady. Ive always assumed it was a Cummins thing.

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post #15 of 33 (permalink) Old 03-06-2013, 09:04 PM
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Just for fun, when was the last time you had the valves adjusted?

2006 2wd long bed quad cab. Bully dog triple dog programer. Cat fuel filter. Transgo shift kit, 130,000 miles.
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post #16 of 33 (permalink) Old 03-06-2013, 09:10 PM Thread Starter
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Re: 06 cummins has a slight shake at idle.

Mine is a pretty hard shake slight in my title might have been the wrong wording. Its a constant shake but goes away when ur moving or when u raise the rpms. And I have never adjusted them. But it doesn't have any sound to the motor as far as ticking goes. Could it still be the valves? I'm new to a cummins. I have always had power strokes. But I have compared my truck to other cummins I know and their trucks do not shake like mine does. I'm up for trying anything to get it fixed before I spend money on injectors lol
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post #17 of 33 (permalink) Old 03-06-2013, 09:26 PM
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Valve adjustment will take some of the shake out of the the engine at idle. They will not make a noise because they get tighter, not looser. If you have valves that are tight they will not fully seat and will loose some of the compression in that cylinder causing it to shake. I'm not sure, but the valves should be adjusted every 125,000 miles or so. It shouldn't cost much more than $200 at a good diesel shop and if you shop around probabley less. If you are a mechanic there are do it yourself instructions in this forum, but it's better if you take it to someone who has experience. Kind of cheap compaired to replacing injectors and trying to guess whats wrong.

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post #18 of 33 (permalink) Old 03-06-2013, 09:27 PM
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I have white smoke when it's cold too yours just sounds. Like moisture mine does it when motor is at operating temp sometimes worse then others but I dono what it is on mine injectors checked out fine so who knows lol

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post #19 of 33 (permalink) Old 03-06-2013, 09:41 PM Thread Starter
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Re: 06 cummins has a slight shake at idle.

Thanks I'll try adjusting the valves then. Hopefully it will work. If I can get a video tomorrow of it shaking I'll try and post it. Idk how it will turn out tho. And as far as the white smoke someone just told me it meant that a injector was leaking by over night and that's where it was coming from. Idk I have heard so many things I don't know what to do lol if I can get the shake out of the truck I would love the truck. Its got a lot more pulling power than my power stroke did
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post #20 of 33 (permalink) Old 03-06-2013, 09:44 PM
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Yep definitely pulls good I had a 6.4 powerstroke before this one and it was fast super fast but can't beat a cummins

06 5.9 converted to 6spd mp8 bully dog with crazzy larry 100 hp injectors modified cp3 boost fooler cai 6 inch lift 2 inch leveling kit 38/15.50/20 mickeys atz amp steps
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post #21 of 33 (permalink) Old 03-07-2013, 10:03 AM Thread Starter
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Re: 06 cummins has a slight shake at idle.

Well I took a video today to post on here but the frames per second were not fast enough on my phone. It didn't get any of the shaking. But I'm going to try to adjust the valves and see what that does.

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post #22 of 33 (permalink) Old 03-07-2013, 03:25 PM
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Mine shakes, i just chop it up to being a cummins. I did used to worry though, mine probably needs a valve adjustment also 74k on it.

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post #23 of 33 (permalink) Old 03-07-2013, 03:32 PM Thread Starter
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Re: 06 cummins has a slight shake at idle.

Mines got 150000.

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post #24 of 33 (permalink) Old 03-07-2013, 03:33 PM Thread Starter
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Re: 06 cummins has a slight shake at idle.

I called a diesel shop and they said it would throw a code before it got to the point of burning a hole in my piston. Is this true? He told me not to worry about it until I see a code.

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