Gunk covered engine
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Lead Driver
Joined: Sep 2005
Posts: 9,399
Likes: 188
From: Norco,CA
Gunk covered engine
Just wondering where to look for all this oil covered, gunk on the top on my 6.9 van. I'm going to clean it best I can and replace IP, glow plugs and injectors. The motor has 129K but man what alot of gunk. Is this normal or should I look somewhere special. I can't believe its that dirty. I've owned it since new but never really got under there. Thank a head of time,
Chet
Chet
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Joined: May 2011
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Diesels are always dirty, but there comes a point where it is a sign of some bad leaks. I would start by cleaning it four sure. Get some of the foamy engine degreaser. Soak the whole thing in it for an hour or so, spray it down a few times, and then pressure wash it all off. Thats what i did when i bought mine. That way you can see exactly where its leaking from. Then go from there. When theres lots of oily build up on the valve covers its usually the gaskets. If its fuel thats mixed in, obviously theres a fuel leak. First step is to clean it up.
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Lead Driver
Joined: Sep 2005
Posts: 9,399
Likes: 188
From: Norco,CA
Thats what I thought too. Its just so thick! Its everywhere, valve covers, injectors, can't hardly see the glow plugs, just the top. Never seen it that bad. I can see the #8 injector leaks, may be the return lines. Its a bear to start when it sets more then a day.
Chet
Chet
Clueless spectator!
Joined: Aug 2010
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From: Denver, CO
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Diesels are always dirty
No gunk here!
Good luck to you,
Mac.
Posting Guru
Joined: May 2011
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Diesels are always dirty
And you are right. DO BE CAREFUL with pressure washing the motor. I keep all electrical connections (okay, not all, but most) taped up with electrical tape. After i wash it, i use electrical connection cleaner/compressed air to blow them out. After i wash it i replace the electrical tape. I learned my lesson after i got water in some sensors that don't like water lol!
Theres nothing wrong with doing it, just be smart and careful about it.
Logistics Pro
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From: Victor, MT
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Lead Driver
Joined: Sep 2005
Posts: 9,399
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From: Norco,CA
Well first off I agree. But this truck was driven by guys that worked for me years ago then parked. Its a van so little harder to see. I know about sensors but I didn't think the 6.9L had many, not like the 7.3 powerstrokes. Anyway I thank you all for your help and I hope I'm up to doing this, I'm sure going to try.
Chet
Chet
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Thread Starter
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Lead Driver
Joined: Sep 2005
Posts: 9,399
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From: Norco,CA
Not good at posting pictures Chris. Never been able to do it. I just able to run this computor. Age thing I guess. I used heavy duty gunk and simple green. Work well. I mad my IP isn't going to be here till Monday. They promised Friday at the latest.
Chet
Chet