600 Cummins "cackle" - TDR Roundtable

600 Cummins "cackle"

03-03-2004, 08:55 PM

#1 (permalink)

FParlee

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Join Date: Jan 2004 Location: Collegeville, PA Posts: 63

600 Cummins "cackle"

Hey guys,
I'm not sure if this is the right forum, (possible 911?) but my new 600 is making noise and it is getting louder.

The only way to discribe it is it sounds like a gasser with bad pinging going up a hill. It only happens when asking for a slight increase in power. Now it is louder at speed, and I can just barely hear it at idle when hot. Poked around under the hood tonight with a screw-driver (stethescope) feeling for noise. Couldn't pin point it but what I did find scared me. Injector feed tubes 2 through 6 have no feel to them, meaning the fuel pulse is barely perceptable. The tube that feeds injector 1 feels like someone is on the inside beating it with a hammer!!!!!!!!

I don't drive it hard and it has 3500 miles on it. It is bone stock and has not had the March reflash. It exibits the 2000 rpm hesitation and start up studder/hesitation. Mostly hiway miles commute and getting 14 mpg hand calculated.

Anyone heard similar noise? I think I should get the dealer to look/listen, but they won't do anything instantainiously, need to make an appointment. I would like to get some idea if these things are normal or cause for alarm.

Thanks for any help!

Fred Parlee

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Delivered 2/2, "My little Mexican Chaquita"......... 2004 1/2 3500 dually, SLT, "600" CTD, QC, 4x4, auto, 3.73 anti-spin. Deep Molten Red Pearl Coat, (She's one hot Mamacita!)
Setup to pull 14K 5er Dutchman toy hauler filled w/ KTM's and ATK's.......

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