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1994.5 - 1997 7.3L Power Stroke Diesel  

Injector o rings

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Old Jan 3, 2008 | 11:30 AM
  #1  
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carkrazd
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From: Overton NV
Injector o rings

Is it hard to replace the injector o rings in the 95 7.3 liter DI motor.
Any advice or help would be great.
As I was changing the fuel pump I cleaned out the fuel filter canister and found what I think is the o ring material. so on that note I am going to pull the injectors and change the o rings.
Thanks for your help.
 
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Old Jan 3, 2008 | 11:58 AM
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95psd
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I would think that if it was an injector o-ring it would end up getting blown into the cylinder. I have not changed any yet but my understanding is that the are a pita.
 
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Old Jan 3, 2008 | 12:10 PM
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I found this at a very good web site (Intellidog.com) The next step is to check fuel quality. This is done by draining the fuel filter into a clean container. You'll need to attach a piece of hose to the fuel filter drain to direct the fuel away from the truck frame and into the container. The fuel should be clear or slightly amber, but not red or milky. After you drain the filter housing, remove the filter housing cover and inspect the interior for debris. Excess fuel from the injectors is returned to the filter housing, and if the injector o-rings are deteriorating, you will find find pieces of rubber inside the housing.
 
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Old Jan 3, 2008 | 01:29 PM
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95psd
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Yeah I guess I wasn't thinking about the return. Someone will be able to give you a good answer.
 
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