....and so ...it begins!
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Freshman User
Joined: Dec 2009
Posts: 46
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From: GA
....and so ...it begins!
I finally got around to replacing my glow plugs. The second thing I fixed on my new truck, the first was replacing the TS flasher. Thanks to all the information available here, it went pretty good. Of course, i turned a two hour job into a two day job. 6 of the GP were easy. The 2 under the metal fuel lines were a bugger to get to, but I got'em. On the 7th one though, I broke a plastic fuel return line fitting. So tomorrow, the hunt begins for more parts. The only place I could find open today that knew what I was talking about could only get a kit that included all the return fittings and hoses. I may end up with that.
The adventure continues.....
The adventure continues.....
Senior User
Joined: May 2008
Posts: 387
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From: Bald Knob AR
I would go ahead and get the kit and change em all. If you broke one you are gonna cause more to leak changing that one out most likely. It don't take much to disturb them and cause them to leak. Change em all, it will save you some headaches in the long run.
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Freshman User
Joined: Dec 2009
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From: GA
That would work great! Unfortunately, I'm working with limited tools and even less know how. In hindsight, had I known I would be replacing the return fuel lines, I would have taken them loose and made it easy on myself. Now I'm wondering if I should go ahead and replace the injectors while I'm in there.
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 16
From: Nutter Fort, WV
How many miles are on the injectors?
Generally, injectors should be replaced about every 100K miles.
When you work on the glow plugs, you usually wind up disturbing the return lines since they are so close.
It don't take much and the returns will start letting air leak in when the engine is not running, then you have a hard start situation.
The O rings get a little hard from the heat and hot return fuel, makes them just hard enough that they don't reseal when the lines get moved.
Generally, injectors should be replaced about every 100K miles.
When you work on the glow plugs, you usually wind up disturbing the return lines since they are so close.
It don't take much and the returns will start letting air leak in when the engine is not running, then you have a hard start situation.
The O rings get a little hard from the heat and hot return fuel, makes them just hard enough that they don't reseal when the lines get moved.
Senior User
Joined: Aug 2009
Posts: 375
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From: Phoenix
Like everyone said...once you start on a return line you might as well do them all as you will be chasing leaks to no end otherwise.
If you have the time I would seriously recommend looking online for the reutrn line kit...every place local who had or could order it wanted $75, online the same kit could be had for under $40
If you have the time I would seriously recommend looking online for the reutrn line kit...every place local who had or could order it wanted $75, online the same kit could be had for under $40
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Freshman User
Joined: Dec 2009
Posts: 46
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From: GA
How many miles are on the injectors?
Generally, injectors should be replaced about every 100K miles.
When you work on the glow plugs, you usually wind up disturbing the return lines since they are so close.
It don't take much and the returns will start letting air leak in when the engine is not running, then you have a hard start situation.
The O rings get a little hard from the heat and hot return fuel, makes them just hard enough that they don't reseal when the lines get moved.
Generally, injectors should be replaced about every 100K miles.
When you work on the glow plugs, you usually wind up disturbing the return lines since they are so close.
It don't take much and the returns will start letting air leak in when the engine is not running, then you have a hard start situation.
The O rings get a little hard from the heat and hot return fuel, makes them just hard enough that they don't reseal when the lines get moved.
I went to the Ford dealer and found out that you can buy the fuel fittings without buying the whole injector kit. 5 bucks each. I think I'll let the injectors go for now and just fix what I broke. We'll see how that goes.
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Elder User
Joined: Oct 2006
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Like everyone said -- even if you hadn't broke the one fitting, after working on the glow plugs the return lines are probably leaking anyway. I vote for the kit.
However, a few people have reported luck replacing just one or two...
However, a few people have reported luck replacing just one or two...
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 16
From: Nutter Fort, WV
Most important part, motor oil on the injector, the O rings and inside the caps when you put it together.
Oil on the injector and O rings when you are installing the O rings helps them slide on, top O ring installed first, roll the lower one ove the top one.
Also helps you not cut the O ring on the injector.
Oil will also help the caps slide on till you feel the O rings pop into the cap grooves.
Thread the injector nuts down on the injector several turns by hand to make sure they are not cross threaded, then wiggle the line as you tighten the nut down helps the flare fitting seat.
Oil on the injector and O rings when you are installing the O rings helps them slide on, top O ring installed first, roll the lower one ove the top one.
Also helps you not cut the O ring on the injector.
Oil will also help the caps slide on till you feel the O rings pop into the cap grooves.
Thread the injector nuts down on the injector several turns by hand to make sure they are not cross threaded, then wiggle the line as you tighten the nut down helps the flare fitting seat.
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Joined: Jan 2005
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From: Willow River B.C.
Scott
Postmaster
Joined: Apr 2009
Posts: 4,086
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From: Malahat/Cowichan Valley
i have a 3/8" deep socket that i cut down to exact size, about half an inch off the end, then found and awesome flexible extension. I can get to all the GP's without touching a fuel line or anything. Love it! I will take some pics and get them on my usual site then post them up. It seems to be a common issue so on the site it goes!
Thread Starter
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Freshman User
Joined: Dec 2009
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From: GA
i have a 3/8" deep socket that i cut down to exact size, about half an inch off the end, then found and awesome flexible extension. I can get to all the GP's without touching a fuel line or anything. Love it! I will take some pics and get them on my usual site then post them up. It seems to be a common issue so on the site it goes!