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

tranny help!!!!

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  #1  
Old 01-19-2010, 05:20 PM
rollincoal12valve's Avatar
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Default tranny help!!!!

guys i need help.

so its been a few months now and my trans is still broke.
i have taken it to three different places and they are all stumped.
the last thing to do is to rebuild it.
i have had the trans rewired, solenoids tested and they passed, filter and fluid changed, and also had computers hooked up and everything is working properly but the truck will only do 73 mph to the floor at 2750 rpm

any idea?
please help me its costing me so much money and im only 16 and cant afford it much more
 
  #2  
Old 01-19-2010, 07:11 PM
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oh i know this feeling
 
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Old 01-19-2010, 08:14 PM
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are you sure it has nothing to do with the fuel pump? like it is getting fuel but not enough of it. i mean if it checks out at three tranny shops and it shifts and makes it way to o/d,. then i would start looking else where. that is just my 2 cents before paying for a rebuild.

---AutoMerged DoublePost---

p.s. have the bands been adjusted on those tranny shop visits?
 

Last edited by lodal cummins; 01-19-2010 at 08:14 PM. Reason: Automerged Doublepost
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Old 01-19-2010, 08:48 PM
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+2 on checkin else were ... maybe gov springs ? or not enuf fuel like stated ... but if it checks out then i would say look else were
 
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Old 01-19-2010, 09:15 PM
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my truck was running fine before i did my 3kgsk but the stock springs were at .026 so they did not have much tension on them. that could be his problem.
 
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Old 01-19-2010, 10:42 PM
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thats wat im thinkin
 
  #7  
Old 01-19-2010, 11:07 PM
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what gears you got in the rear end??? and also put a gsk on it to give it more fuel
 
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Old 01-20-2010, 06:28 AM
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If you did put in a GSK MAKE SURE TO TAKE OUT ALL THE SHIMS. Also, have any of them checked the torque converter?
 
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Old 01-22-2010, 06:50 AM
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thanks for getting back to me guys

i have had the bands adjusted during those visits and they all said there wasnt a need to check the convertor because it was locking up and didnt seem to be slipping.

i think the truck is getting enough fuel it smokes like a train at low boost and once my hx35 clears it up there is still a good haze.

it has stock gov springs i really want to buy them but my dad thinks im gonna blow up my truck the way i drive it

i hope this helps, i need to figure out this problem.

could having 218k miles have anything to do with it? like a slip in timing or like yall were sayin bout the stock springs not having tension, do they come loose?

---AutoMerged DoublePost---

also i forgot i have the 3.54s in it too i love em

even with my up trans or whatever i still walk my dads 24 valve

(the one in the sig.)
 

Last edited by Benjamin; 03-24-2010 at 01:30 PM. Reason: Automerged Doublepost
  #10  
Old 01-22-2010, 08:26 AM
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swapped out the gsk. a 3k wont blow anything up.

---AutoMerged DoublePost---

this is gonna sound stupid but, make sure the gas pedal is moving full travel. when i bought my truck it would only do 2900rpm come to find out the throttle cable strected and i wasnt getting full fuel... i put a bigger spring in there till the new cable cam and she runs perfect now.
 

Last edited by monster12valve; 01-22-2010 at 08:26 AM. Reason: Automerged Doublepost


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