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I have a 2001 7.3 and I just changed the oil. While under the hood I noticed a lot of black oily deposits around the intake rubber and clamps going into the turbo. It was on the black rubber connector that says cool air? There was also some spray on a few tubes under the pipe.
When I was looking for a 7.3 truck I noticed that a few others had a bunch of black crud in the same area. This is obviously common. What is the issue and how do I repair it?
The residue comes from the Crankcase Ventilation (CCV). The design is to have the CCV vent into the intake air to get consumed by the engine and hopefully lower emissions. Since the boots are pre-combustion the oil eventually gets absorbed or blown through the connection and starts to make a mess. The CCV mod redirects the oily air through a hose to ambient under the truck. Most of the International trucks use this type of system exclusively. Ford designed it to be consumed to keep the EPA off of their back.
Removing the boots and cleaning them, will keep it at bay for awhile, but it will most likely come back. If you do he CCV you will need to remove the boots and clean them really good before re-installing. This will get all the residual fluid.
Also check guzzles mod page, he made a cool catch can to keep the goop from ruining your driveway....excellent idea unless you park in the dirt ! Good luck, riffraff has a nice kit, if you're not into making your own
I did the CCV 'delete' for a little while. I absolutely hated it. I love my diesel truck, but that stinky CC smell was horrid and the smoke made people think something was wrong with my truck. Screw that 'mod'!!
As far as 'CCV mod' goes, I can't see it reducing the oil on/around boots very much unless you replace CAC. I recently had CAC out for the 3rd time (at least...) and stood it on end intentionally trying to drain the oil from it - again. After 3 weeks, there was STILL oil coming out. This oil (which ain't hurting a damn thing) will always migrate thru the seal on the boots - even if ya stop 'adding' oil to the CAC. I can say that upgrading to RiffRaff boots does stop ALOT of that migration and since I've been using them all it takes is a couple squirts of diluted Purple Power and a blast from the hose a couple times a year and my engine stays almost as clean as Rick's (Miller_Feed). Of course, if ya want an engine THAT clean - you gotta avoid driving in inclement weather... (Btw, Rick does not have a CCV mod )
__________________ 2001 F350 CC flatbed - headstuds, AC codes, T4/S366, custom leather interior, '07 facelift, big honkin bumper, 180k miles on DIY veggie conversion and a few other things... 2000 Excursion, Limited, 4x4, BTS trans, 120k on veggie! - wrecked spring 2013 - RIP veggiegarage.com authorized installer
Id prefer to keep the ccv as well, but there's got to be a way to vent it into the manifold to avoid it being run thru the ic system..no ? Has anyone tried that ? My dad is trying to figure a way to do it
Some weld a pipe into the exhaust at an angle. The exhaust flow will pull the CCV air into the exhaust and ex-spell it out with little to no smell out the exhaust. There has been quite a few debates on how precise the angle has to be, but many have had good results doing it this way.
but that stinky CC smell was horrid and the smoke made people think something was wrong with my truck. Screw that 'mod'!!
How do you smell it? I can only smell it if I am standing next to the truck while it is idling. Most of the time, I am in the truck driving so I don't smell it too often. Only if I am at a stop for long enough and the wind is blowing just right would I smell it.
As to other people thinking something is wrong with my truck, WGAS? They are not paying for the truck why should their opinion matter?
01 Excursion. Gauges with AIH Delete, AIS, CCV Mod, 4' MBRP, BTS Trans, 6.0L Trans Cooler and Intercooler, DP-Tuner F5 chip, ITP In Tank Mod and Boost Annihilator, Diesel Innovation's Regulated Fuel kit, BTS Big Oil system, GTP38R Turbo with 1.15 A/R housing and BDP Stage II AC injectors. Bilstein Shocks with U code front and A code Rear. 203* thermostat and billet housing
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