Oily Injectors
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Junior User
Joined: Apr 2010
Posts: 89
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From: Tacoma, Wa
Oily Injectors
While putting in my new injectors today, I noticed that my driver side set of injectors are all covered in engine oil. I shined a flash light inside of the cylinder and it is just coated! I did not have anything I could stick down into the cylinder below to check if their was engine oil in there. Before I parked her for repairs about a month ago, she was puffing white smoke pretty damn good.
What kind of repair(s) am I looking at now?
I would have posted some photos but am currently without a camera.
Thanks
What kind of repair(s) am I looking at now?
I would have posted some photos but am currently without a camera.
Thanks
Senior User
Joined: Feb 2007
Posts: 426
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From: Pukalani, HI
When you say "Cylinder" do you mean the hole the injector sits in? You probably just have a few leaking injectors. You couldn't actually see into the cylinder/piston area without pulling the head.
Post Fiend
Joined: Nov 2004
Posts: 5,638
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From: Manitoba
Could be the rocker cover was leaking and filled the injector hole...... or there was a small amount of oil and when you removed the injector caps fuel mixed and it looks worse than it was. Did you replace the return lines and caps......with a new set.
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Junior User
Joined: Apr 2010
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From: Tacoma, Wa
Another bit of information is that when I pulled the injectors, the oil had small air bubbles in it on the upper half towards the threads. The Passenger side did not have any oil or anything. In fact those injectors looked burnt if anything. They were bone *** dry.
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Junior User
Joined: Apr 2010
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From: Tacoma, Wa
I guess you can say it looks like they had been soaked in some think WD-40 or very used engine oil... They smell less of diesel and more of engine oil.
Here are the pictures of two of the injectors. Hopefully you can see what I mean.
Here are the pictures of two of the injectors. Hopefully you can see what I mean.
Postmaster
Joined: Apr 2009
Posts: 4,086
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From: Malahat/Cowichan Valley
Probably a valve cover leak, but yeah I'm curious as well! Can that be a head gasket issue? I saw this on a friends truck and we changed his valve cover gasket which was leaking like a ****!!
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Junior User
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From: Tacoma, Wa
valve stem seal replacement can't be that bad, can it? Or could it be like replacing a head gasket in-cab?
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New User
Joined: Nov 2010
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From: Vancouver
We just changed injectors and return lines in my truck. Had to do the valve covers as well because oil had been escaping from both sides of the cover on the passenger side and had soaked not just around the injectors, but into the valley behind the injection pump as well. That was fun to clean up 
Junior User
Joined: Mar 2009
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White smoke in a diesel usually means coolant a bad place and the little bubbles kind of look like water/coolant in oil. What does the engine oil look like? What does the coolant look like when you take off the rad cap? Did the white smoke smell kind of sweet? The threads look dry.
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Junior User
Joined: Apr 2010
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From: Tacoma, Wa
No oil burned, no blue smoke. About a week before I parked her, after she was warmed up there would be a very light whit-ish smoke out of the tail pipe only at idle. The day I parked her, I started her up to huge chuffing with the engine moving like one side was not firing at all and billows upon billows of white smoke coming out of the tail pipe.
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Junior User
Joined: Apr 2010
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From: Tacoma, Wa
A point of clarification I should make is that I did not notice any drops in oil levels before I parked her. I was checking the oil at every fill of the tanks which worked out to about once or twice a week. Her oil is towards the change mark however, but I doubt that has anything to do with it.
I am half tempted to just put in those four new injectors and see what happens from there.
I am half tempted to just put in those four new injectors and see what happens from there.
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Junior User
Joined: Apr 2010
Posts: 89
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From: Tacoma, Wa
White smoke in a diesel usually means coolant a bad place and the little bubbles kind of look like water/coolant in oil. What does the engine oil look like? What does the coolant look like when you take off the rad cap? Did the white smoke smell kind of sweet? The threads look dry.