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

Removing The P-Pump

Old Mar 8, 2010 | 10:10 PM
  #1  
94cummins12v's Avatar
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Default Removing The P-Pump

i was wondering how to get the neut that is between the ppump and the block off? i cant figure out how to break the nut loose
 
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Old Mar 8, 2010 | 10:30 PM
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x2 just happens I'm taking mine off too.

Can anyone post how many bolts/nuts there are holding it on so I don't miss one and try to tear it off?
 
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Old Mar 8, 2010 | 11:26 PM
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there are 4 metric 15, and 1 m10 that holds the support bracket on just cant figure out how to get that inermost nut off without removing the head
 
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Old Mar 9, 2010 | 01:02 AM
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I got in mine with a long extension and a wobble socket. for both of them. the m10 i got in there with a long extension there. also the one between the head i got in there with a fine-tooth ratchet wrench.
 
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Old Mar 9, 2010 | 05:59 AM
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there should be 2 10mm bolts holding the pump to the mounting bracket. Also there is a 8mm bolt that holds the fuel return on, its on the rear of the pump and its one that I always forget.
 
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Old Mar 9, 2010 | 09:52 PM
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An extension and wobble socket will get the job done. Also when taking the 4nuts off the front of the pump... For the inner lower bolt it's more easily reached by going underneath the pump and then up between the pump and block. The pump sits on a brack that has an inner and putter bolt, the bracket is located towards the back of the pump on the bottom. I found it was easier to remove the one bolt that holds the bracket onto the block and remove the pump with the bracket still on it. Also, instead of loosening all the banjo bolts on the pump, just follow the lines back till they turn to rubber hose and undo them there. Good luck getting the nut loosened on the front pump gear.
 
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