12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

whats up with the ticking lift pump!?!

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Old 12-19-2009, 06:31 AM
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Default whats up with the ticking lift pump!?!

my buddies 1996 cummins with a 180 pump and my truck with a 180 pump both have this ticking in the lift pump. is this something to worry about or is it just something some of em do? thanks in advance!
 
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Old 12-19-2009, 07:36 AM
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mine did that when it was goin bad. got a new one n it went away
 
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Old 12-19-2009, 07:49 AM
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The springs are getting weak in it and they aren't controlling the valve and the ticking is the valve hammering the seat.....he should get a new one on order. THey can run a long time after ticking but it's a crap shoot.....
 
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Old 12-19-2009, 08:25 AM
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whos should i go with? who has the best warranty?
 
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Old 12-19-2009, 08:27 AM
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I asked the same question almost 10 years ago when I bought mine. A trusted online member told me sometimes they tick, sometimes they don't. Haven't touched it and still no problems 160k later.
 
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Old 12-19-2009, 08:40 AM
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Fass or AirDog
 
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Old 12-19-2009, 08:49 AM
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If he's going to keep the truck stock then a stock LP will do and you can get one from Geno's garage or go to Cummins. If you aren't going to keep it stock then I would upgrade to a FASS and call Kenny at Ken's Performance to get you all set up. It will make fuel filter changes much easier as well.
 
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Old 12-19-2009, 03:33 PM
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im not going ***** out like i did with my old truck. i just want a mild runner that is reliable. im not shooting for big power just 300-350 smokeless horsepower. i dont think im going to bother getting a airdog etc.. i think a stock replacement will suit me fine.
 
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Old 12-19-2009, 08:38 PM
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1994-1998 Dodge 12V Cummins Mechanical Lift Pump Cummins 4988747

---AutoMerged DoublePost---

there you go!
 

Last edited by monster12valve; 12-19-2009 at 08:38 PM. Reason: Automerged Doublepost
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Old 12-20-2009, 02:39 AM
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are they easy to install? i know on my vp truck i can change the supply pump in 20 minutes...
 


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