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

O ring or fire ring

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Old Dec 27, 2013 | 09:00 AM
  #41  
94 12valve's Avatar
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yes that what I mean when I'm talking about retorquing with o rings upon install I run through the normal torque pattern with all nuts and studs, than break one loose at a time and retorque after that that's it.

I personally have not seen a blown gasket with no retorques after initial install with o rings.
 
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Old Dec 27, 2013 | 09:16 AM
  #42  
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Originally Posted by 94 12valve
yes that what I mean when I'm talking about retorquing with o rings upon install I run through the normal torque pattern with all nuts and studs, than break one loose at a time and retorque after that that's it.

I personally have not seen a blown gasket with no retorques after initial install with o rings.
Been doing this 7 years seen 4 blow a gasket. Should be retorqued after one complete warm up to operating temp. One after 600 or so miles and one at 1500 miles. If they still pull after the last one need to do it again in 500 miles.

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Old Dec 28, 2013 | 06:54 AM
  #43  
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LOL... with that schedule I'll be done with it in a few days.
 
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Old Dec 28, 2013 | 01:09 PM
  #44  
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So after taking the head off I discovered that the guy who installed my head studs didn't put a new head gasket in. And one of the head studs was not completely screwed in. The guy messing with it now took the stud out with his fingers without using a tool. Awesome workmanship.
 
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Old Dec 28, 2013 | 01:28 PM
  #45  
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Originally Posted by ClintD.
So after taking the head off I discovered that the guy who installed my head studs didn't put a new head gasket in. And one of the head studs was not completely screwed in. The guy messing with it now took the stud out with his fingers without using a tool. Awesome workmanship.
The stud should turn out by hand. If they are tightened down you risk breaking a stud. Are the holes atleast bottom tapped? It was virtually blown when started if he re-used the gasket.

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Old Dec 28, 2013 | 02:32 PM
  #46  
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WOW ... fantastic .. they do say in my instructions that you can use some red Loctite ... which will help keep the stud from vibrating loose .... not a bad idea ... probably gonna do that for mine .. I like insurance
 
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Old Dec 28, 2013 | 04:15 PM
  #47  
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So I've been trying to get ahold of the guy who didn't change the gasket. No returned text and won't answer the phone or call back. What a professional.
 
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Old Dec 28, 2013 | 11:24 PM
  #48  
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sounds like a guilty conscience too me ....
 
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Old Dec 30, 2013 | 07:05 PM
  #49  
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Did some research on the guy who I'm having the problems with. I'm finding out I should have done the research before I had the work done. There are multiple complaints about this guy. And if I don't hear from him soon I will put his name out on all message boards.
 
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Old Dec 31, 2013 | 03:12 PM
  #50  
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Just to stress the importance of retorque when using rings. This truck has already had 1 retorque.

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