Injector Question
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Elder User
Joined: Jul 2007
Posts: 893
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From: Lawrenceburg, TN
Injector Question
Ive been snooping around on Rosewoods site. Let me ask yall something to see if I understand correctly. If I send in my injectors to have them rebuilt/modified there are no repair fees. Even though mine most likely have some stuff wrong with them. The repair fees only apply if I order a set of injectors, then send mine back as cores.
My Injectors in current condition +$500=
is this correct?
My Injectors in current condition +$500=
is this correct?
Lead Driver
Joined: May 2007
Posts: 8,608
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From: Belair md
the only repair fee that is included is the nozzle springs. he replaces them no matter what the condition. but odds are that if you truck is running A OK and you are buying stage 1's just to have then you wont have any internal issues
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Elder User
Joined: Jul 2007
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From: Lawrenceburg, TN
mine is not running a ok. ive been putting off injectors for a while. back during the summer my mechanic told me i have one or more that may be leaking fuel into the cylinders. after my truck has been setting for a while, say overnight or while im at work, when i start the truck it will smoke gray/white smoke untill I get it all blown out. then i can detect a slight miss at idle and if I rev it will miss at about 2200 rpm. I went out to start the truck one day last week and it would not start. Truck would turn over a bit and stop. Hydrolock. I turned the engine over by hand a few times and then it started. I figured that pretty well confirmed a leaking injector. other than these issues truck runs ok. once i get all the stuff blown out at start up and get running down the highway its ok, maybe down on power a tad bit, but its hard to tell for sure. I did an oil change and no fuel in the oil, oil was thick and black.
Lead Driver
Joined: May 2007
Posts: 8,608
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From: Belair md
he did say he was lucky enough to not have it getting into the oil.....yet. either way leaking injectors are not something you want to mess with!! get it fixed!
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Elder User
Joined: Jul 2007
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From: Lawrenceburg, TN
NO fuel in the oil, oil is ok. yeah I gotta figure out how I can do without my truck for a while so I can pull my injectors and send them in. Ive been working 7 days a week and I dont have a spare vehicle to drive.
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From: Silver Lake Dunes, MI
Unless he had his oil tested it would be nearly impossible to tell just by looking at it and I would find it nearly impossible to believe that fuel would not seep by the rings.
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Elder User
Joined: Jul 2007
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From: Lawrenceburg, TN
Do you all think that based on what I described above with the hydrolock and smoke that my problem is in the injectors or are ther other possibilities to look at.
Lead Driver
Joined: May 2007
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From: Belair md
it is most likely one injector with an internal failure. exteranal o-ring failures wouldnt normally cause the concern unless the compression ring failed and took the other o-rings out completly as well. but if that happened then you'd have major misfires and stalls accompanied by a no-start when it hits the oil ring
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I'm not really trying to be a salesman here, honest!
But injectors need attention like many other mechanical parts to the motor. It could just be orings, but I doubt it. 200k miles seems to be the normal point for overhauling at least.The older trucks are at a huge disadvantage for wear because their Plunger & Barrels are not Tungsten coated. The coating, available on all injectors (and replacement P&B's) since '99.5 are much more durable. Many of the older trucks with higher mileage need 1 or 2 or more P&B's replaced, whereas I've only had one set of '99.5 and up injectors need new P&B's. So there is value there for your money there when you purchase new P&B's.
Also, nozzles are another area of concern. Nozzle condition is near impossible to determine without expensive nozzle flow equipment, and you're really just as well to replace the nozzles on high mileage injectors. I see it everyday on the flow bench, used nozzles do not flow as much as new nozzles.
Let me know if you have any questions.
Thanks,
Jim
But injectors need attention like many other mechanical parts to the motor. It could just be orings, but I doubt it. 200k miles seems to be the normal point for overhauling at least.The older trucks are at a huge disadvantage for wear because their Plunger & Barrels are not Tungsten coated. The coating, available on all injectors (and replacement P&B's) since '99.5 are much more durable. Many of the older trucks with higher mileage need 1 or 2 or more P&B's replaced, whereas I've only had one set of '99.5 and up injectors need new P&B's. So there is value there for your money there when you purchase new P&B's.
Also, nozzles are another area of concern. Nozzle condition is near impossible to determine without expensive nozzle flow equipment, and you're really just as well to replace the nozzles on high mileage injectors. I see it everyday on the flow bench, used nozzles do not flow as much as new nozzles.
Let me know if you have any questions.
Thanks,
Jim
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