Diesel Bombers

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-   12 Valve 2nd Gen Dodge Cummins 94-98 (https://www.dieselbombers.com/12-valve-2nd-gen-dodge-cummins-94-98/)
-   -   Lift pump tick or not? (https://www.dieselbombers.com/12-valve-2nd-gen-dodge-cummins-94-98/31433-lift-pump-tick-not.html)

94cummins12v 08-23-2009 08:31 PM

i know mine has been clicking for years with 265,000 miles i even replaced my can and fuel pump when i did the entire engine overhaul and the damn thing still makes the same click. turn up the idle and throw stacks on it and you wont here the click anymore:U:

spoolinaround 08-23-2009 10:21 PM

mine ticks and comes and goes depending on temperaure, more in winter then summer:humm:

94cummins12v 08-23-2009 11:50 PM

its a diesel let her knock and tick all she wants as long as its running good then i wouldnt worry about it, if it aint broke dont kix it

12valvetater 08-24-2009 12:11 AM

12 valves are a noisy engine and it seems they all have a little different sound to them

94cummins12v 08-24-2009 12:13 AM

you wont ever get 2 12v's to sound exactly identical, ive tried with mine and my budies truck with the same turbo, fuleing epgrades and exhaust, it aint happinen

Jeamech 02-11-2010 08:42 AM

THANK YOU !
 
I've been searching the forums about this clicking noise and this is the only one that has any info. Ripoff mechanic wanted to charge me $1200 blaming it on the DPD. It was too rythmic to me to be that. I was thinking valve or injector. Lifter pump cam makes more sense, and "aint broke dont fix" , sounds cheaper. Mine started at $140k miles.

Thanks again

Coaly 02-19-2010 01:16 AM

I would say 80-90% on my fuel system(94 5 speed) has been replaced or rebuilt at 100k miles because of this ticking and other issues, shes still a ticker at 122k, but not as noisy of a motor as my 01.5 6 speed.

powermad 02-19-2010 03:45 AM

mine had the tic when i fist baught it and the first time i took it to 3000 rpms it went away. but yea its the lift pump or valve adjustment.

not trying to thread jack but can any of you guys post me a link on how to adjust the valves? thanks

Coaly 02-19-2010 03:57 AM

its ten thousands and twenty thousands, intake and exhaust, you have to find top dead center then i dont remember?

powermad 02-19-2010 07:53 AM

so on the intake it should be ten thousandths, and on the exhaust twenty thousandths? is there any special method to it? thanks


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