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Can this be done?
Hi PC,
I have a Powertech 17.5 and I noticed a small fuel leak around the base of the injectors, actually just the one on the far left. How hard is this to fix? Or would I be better off having a tech replace the seals?
I found a diesel repair shop not far away but its 95/hr. Has anybody ever pulled this off?
Thanks for any help.
Fred
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8 Replies
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We had the same thing on our coach with a 15KW powertech. It is not much trouble at all.
Loosen the connection, and dob the fuel up that comes out when you break the connection and you will see a small rubber “O” ring that seats the connection.
We found that Carquest had “O” rings for 25 cents apiece. We were at an independent PowerTech teck, and after we paid him 50 bucks to do what I could have done, Next time, I will know. You will also have to bleed the connection with the genset running to get the air out of the line. Other than that, it was good to go and the other 3 have behaved. But I will know what to do next time., We did take the “O” ring with us to the car parts store for an exact fit. -
Fred, you can do this yourself, it’s fairly simple. The photo shows the pump, if this is where one of the lines is leaking, could be a flare on the line itself has a small crack from overtighting. When you take the line loose you won’t see the crack but let just hope it is an O ring used at the base of the fitting.
Check to see if the line nut is indeed tight, I’m sure it is though.
At idle speed you might see the pump pulse a leak at either the base or the flare.
Keep us posted.
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thank you! I’m going to try this fix this week and will let you know. I appreciate the replys and info!
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Yet another PC fix! Thanks for the help and advise! I was able to get the o-rings out and replaced (I did all four) and saved…I don’t know at least $950 on labor. I used my NAPA card too and the o-rings were 88 cents. The gen runs great now and no leaks!
Fred
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Was the O ring broke in two?
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Great Fred, spread the word…
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Hi David, The O-ring broke when I was rolling it over the threads. It obviously had thinned out over the years (hence the leaking) and was fairly fragle so that’s why I decited to go ahead and replace the rest of them while I was at it. I was glad to find that there were no cracks in any of the fuel lines going up to the top of the engine. I replaced the filter hose lines too because the owner before me had used a stiff marine type line and they were “leaking” out from under the clamps. I got some stock fuel line from NAPA and that it work out well. She’s running better then ever now.
Fred
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I have noticed that an o ring will get brittle after 10 to 12 years in diesel fuel
and hydrolic lines, cylindres and valves and require replaceing .
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