Oil leak - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 14 (permalink) Old 03-13-2011, 10:45 PM Thread Starter
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Oil leak

Guys,

Neighbor has a 01 F350 7.3L it has a oil leak on the top side of the motor (in the valley). We pulled the IC Pipes and there IS oil inside both sides of the intake or IC pipes. Could this be leaking out of the silicone boots on the intake where the air goes into each head? Also If the turbo is the source of the leak, do we get a rebuild kit? Kenny has one on his site for 74 bucks? The truck is bone stock with roughly 83k on the clock? How hard is a Garret turbo to rebuild? Or do we just put a reman turbo on?

Any advice would be great.

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post #2 of 14 (permalink) Old 03-13-2011, 10:53 PM
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um the only way the turbo would leak is if the the oiler line is leaking. there could be a leaky valve cover or a breather line could be leaking.
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post #3 of 14 (permalink) Old 03-13-2011, 10:56 PM
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so yes most likly a breather tube. its not a big deal you need to buy new clamps.
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post #4 of 14 (permalink) Old 03-13-2011, 11:21 PM
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The question is do you have oil BEFORE the turbo? If the crankcase vent is allowing oil into the inlet pipe that would explain it and rebuilding the turbo would be pointless.

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post #5 of 14 (permalink) Old 03-13-2011, 11:33 PM
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thats right! the turbo runs on heat and it only pushes air into the motor and pulls it out. the only part of a turbo that could have anything to do with it would be the oiler.
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post #6 of 14 (permalink) Old 03-13-2011, 11:50 PM
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The oil in the CAC tubes could be from the crankcase vent as JohnG mentioned. Is the boot at the top of the drivers side CAC tube oily or greasy? If so...its the crankcase vent that's putting fumes back into the motor.

As for the oil in the valley of the motor...an oil galley plug o-ring could be the cuplrit. I've had a few of them go out and they can fill the valley fairly quickly. I would give them a look over first.

~Dave~

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early 99 PSD CC F250, DP Tuner F-5, Stealth Stage I, Casserly 160cc singles, Monsterbox Tranny, MBRP cool duals, ITP Regulated fuel system, Cobalts and Performax gauges, and way to much else to remember right now. **traded**

2004 Excursion Limited 6.0L, Dipricol gauges on the A-Pillar, Bilsteins and BFG's on the corners, lost EGR (not looking hard for it either), ARP studs, RCD Black Onyx head gaskets, MBRP 4" exhaust, (labor performed by Dan @ Midwest Transmission) **giggled when traded**

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post #7 of 14 (permalink) Old 03-13-2011, 11:58 PM Thread Starter
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Alright guys, Ill check this out. can we vent the CCV out of the intake?

"Only accurate rifles are interesting" -Townsend Whelen

2012 Ram 2500 Crew Cab Big Horn
6.7L 68RFE 4wd
Yeah its stock.
Edge Insight CTS / Line-X / Access Bed Cover
B&W Turnover Ball / Companion Hitch
Pac Brake Air Bags
On Board Air
Optima Redtop 34Rs


2010 John Deere 2305
2010 Jeep Wrangler JK Unlimited Rubicon/ Tuned with some toys.
2016 Keystone Impact 311 Toyhauler






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post #8 of 14 (permalink) Old 03-14-2011, 12:36 AM
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yeah...you can. called the CCV mod. On the drivers side valve cover you will see where the breather tube comes off the cover and into the intake stream. Rotate the breather cap on the valve cover 180*, then attach some 3/4" heater hose. Route up and over the master cylinder, then down the firewall and alone the drivers side frame rail. But be forewarned...if the hose becomes blocked due to frozen steam/mist...it will pressurize your motor and may blow the dipstick out, blowing oil all over the motor. Trust me on this :

you just will need to replace the plastic part in the intake where the motor vented to. A small piece of 4" exhaust works great...and if its SS it adds a little bling to the motor.

~Dave~

2012 F350 KR Dually, stock...bone stock.

early 99 PSD CC F250, DP Tuner F-5, Stealth Stage I, Casserly 160cc singles, Monsterbox Tranny, MBRP cool duals, ITP Regulated fuel system, Cobalts and Performax gauges, and way to much else to remember right now. **traded**

2004 Excursion Limited 6.0L, Dipricol gauges on the A-Pillar, Bilsteins and BFG's on the corners, lost EGR (not looking hard for it either), ARP studs, RCD Black Onyx head gaskets, MBRP 4" exhaust, (labor performed by Dan @ Midwest Transmission) **giggled when traded**

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post #9 of 14 (permalink) Old 03-14-2011, 03:49 AM Thread Starter
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Ok, guys, Did some snooping and looks like my neighbor was able to put a few turns on the orange silicon boots from the intake to each head. I Think the next step we are going to do is degrease the top of the motor. (being very careful not to get electrical connection wet. Any pointers here) I both valve covers look like they have had oil residue building for some time. There is a puddle in the center of the valley but no obvious source. Is there a diagram to show the oil galley plug?

"Only accurate rifles are interesting" -Townsend Whelen

2012 Ram 2500 Crew Cab Big Horn
6.7L 68RFE 4wd
Yeah its stock.
Edge Insight CTS / Line-X / Access Bed Cover
B&W Turnover Ball / Companion Hitch
Pac Brake Air Bags
On Board Air
Optima Redtop 34Rs


2010 John Deere 2305
2010 Jeep Wrangler JK Unlimited Rubicon/ Tuned with some toys.
2016 Keystone Impact 311 Toyhauler






9-11-2001 NEVER FORGET
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post #10 of 14 (permalink) Old 03-18-2011, 06:09 PM Thread Starter
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Since we tightened up the books on the intake going in to each head, it has not dripped on the ground, is there a CCV Filter in on the drivers side valve cover and it so who has the part #.

Next can we spray engine degreaser on it the top of the motor in the valley and hose it out? I know the GPR and other electronics are up there, is this same and if you have done it how did you go about doing it? On motors I have done in the past I just rinsed it off lightly and took compressed air and blew as much of the water I could off of it.

"Only accurate rifles are interesting" -Townsend Whelen

2012 Ram 2500 Crew Cab Big Horn
6.7L 68RFE 4wd
Yeah its stock.
Edge Insight CTS / Line-X / Access Bed Cover
B&W Turnover Ball / Companion Hitch
Pac Brake Air Bags
On Board Air
Optima Redtop 34Rs


2010 John Deere 2305
2010 Jeep Wrangler JK Unlimited Rubicon/ Tuned with some toys.
2016 Keystone Impact 311 Toyhauler






9-11-2001 NEVER FORGET
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