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

Rear main seal

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Old Feb 28, 2012 | 11:03 PM
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CumminsKid6's Avatar
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Default Rear main seal
I believe it started leaking awhile ago. But it's getting alil more under coat on my truck. But my question is can u change th rear main seal without dropping the pan or is it a full on take motor out and apart.
 
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Old Feb 29, 2012 | 12:14 AM
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Rear Main Seal Install - Dodge Diesel - Diesel Truck Resource Forums
 
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Old Feb 29, 2012 | 06:20 AM
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Ok thanks. Next question is if it were leaking outta the rear main would there be oil all over my fly wheel or could it possibly leak between the engine and adapter plate
 
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Old Feb 29, 2012 | 03:18 PM
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When i did the rear main on my 96 it was hard to tell where it was coimng from it was pretty bad but i would bet it would be between the engine and adapter plate.
 
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Old Feb 29, 2012 | 05:26 PM
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Maybe that back valve cover maybe
 
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Old Feb 29, 2012 | 07:18 PM
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Originally Posted by Billy D
Maybe that back valve cover maybe
x2 there was a post awhile ago where a guy thought his rear main **** out on him and turns out it was the back valve cover.
 
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Old Mar 1, 2012 | 11:38 AM
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The valve covers tend to leak quite a bit on these motors. Id check that first too! it would save you a TON of work
 
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