Injector O-ring replacement
Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
Well I got all the o-rings replaced today, not to big of a deal. Quick question though, I drove her after replacing the injectors and glow plugs (I figured I was in there so might as well replace the plugs, especially with 235,000+ miles). And first crank took forever to hit, which I was expecting as per Pocket's comment, but after a brisk drive of a mile or two I let the truck idle for 20 or so minutes, and then went inside and ate some dinner, two hours later I go out and it took a good 7-9 seconds before the truck hit, and then she ran fine. Is this normal, or should I worry?
I figured it was just some residual oil left in the cylinders, is this plausible?
Oh yeah, thanks again for all the help, it made this whole job alot easier.
I figured it was just some residual oil left in the cylinders, is this plausible?
Oh yeah, thanks again for all the help, it made this whole job alot easier.
Cargo Master
Joined: Jan 2005
Posts: 2,902
Likes: 2
From: Pasadena, Maryland
Did that fix your problem? Also, did you pull any drain plugs out of the heads before you pulled your injectors or did you just let it drain into the cylinder and turn it over with the GP's removed.... I'm changing mine out in the am....
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Senior User
Joined: Jun 2010
Posts: 137
Likes: 0
From: Atlanta, Georgia
Yeah, the truck cranks up fine, if not better than before. I pulled three of the drain plugs, one of them wouldn't come out. And I also turned the engine over with the glow plugs removed. Oh and be sure to put your valve covers back on when you go to turn it over, I thought I could get by with putting some rags over the heads thinking it would be easier... well my girlfriend will tell you other wise, she got sprayed with alot of oil.... oops!
Cargo Master
Joined: Jan 2005
Posts: 2,902
Likes: 2
From: Pasadena, Maryland
Yeah, the truck cranks up fine, if not better than before. I pulled three of the drain plugs, one of them wouldn't come out. And I also turned the engine over with the glow plugs removed. Oh and be sure to put your valve covers back on when you go to turn it over, I thought I could get by with putting some rags over the heads thinking it would be easier... well my girlfriend will tell you other wise, she got sprayed with alot of oil.... oops!
Just wait til you get married. The truck will go from something you worked on together to ''the money pit'' she can't stand! Least it worked that way for me!
Logistics Pro
Joined: Aug 2005
Posts: 3,886
Likes: 180
From: Morgan Hill, CA
For reference here's a procedure on FTE for o rings. I wrote the section titled "Helpful Tips From Another User..." I'll be doing the o rings on mine next G-T-G at my house and I'll print it out even though I wrote it! Ok, it's been a while...
Replacing Injectors On 1999-2003 7.3L Power Stroke Diesels .: Articles
Replacing Injectors On 1999-2003 7.3L Power Stroke Diesels .: Articles
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Nathan Cox
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
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Jul 5, 2016 09:54 AM
