CCV Mod / Smoke
Lead Driver
Joined: Jan 2006
Posts: 7,308
Likes: 250
From: Hartford, WI
Originally Posted by cedman
Shouldn't there be a check valve somewhere in the CCV line going to the exhaust? This would prevent any "backflow" of gasses INTO the crankcase.
CedricR.
CedricR.
Lead Driver
Joined: Oct 2004
Posts: 7,413
Likes: 1
From: Columbia, MO
If the setup is routed into the exhaust correctly, there should be no backpressure, and no need for a check valve. Someone on here ran a check valve, and actually found it to be a restriction.
Logistics Pro
Joined: Mar 2004
Posts: 4,221
Likes: 3
Originally Posted by rmilchman
Not sure if I have a problem, or it is simply because of it getting colder and darker earlier.
Also, like aklim mentioned, I've read that it billows out more in the winter when its cold. I've noticed that on my truck, too.
Post Fiend
Joined: Sep 2006
Posts: 7,426
Likes: 6
From: Sioux Falls, SD
Originally Posted by rmilchman
Not sure if I have a problem, or it is simply because of it getting colder and darker earlier. When sitting at a traffic light (when dark) I can see smoke in the headlights behind me. It appears to be coming from the CCV mod. Since doing the mod most of my driving has been done during the day, now that it is getting darker earlier that will change.
Senior User
Joined: May 2004
Posts: 448
Likes: 0
From: Minnesota
Mine is routed to the rear of the truck, and was wondering if the hose should be drained from time to time to prevent backup and eventual leaking in the engine? I do have it routed up and over the master cylinder before it goes down and back along the frame.
Lead Driver
Joined: Jan 2006
Posts: 7,308
Likes: 250
From: Hartford, WI
Originally Posted by Highmark18
Mine is routed to the rear of the truck, and was wondering if the hose should be drained from time to time to prevent backup and eventual leaking in the engine? I do have it routed up and over the master cylinder before it goes down and back along the frame.
Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
Originally Posted by Highmark18
Mine is routed to the rear of the truck, and was wondering if the hose should be drained from time to time to prevent backup and eventual leaking in the engine? I do have it routed up and over the master cylinder before it goes down and back along the frame.
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Post Fiend
Joined: Sep 2006
Posts: 7,426
Likes: 6
From: Sioux Falls, SD
Originally Posted by Highmark18
Mine is routed to the rear of the truck, and was wondering if the hose should be drained from time to time to prevent backup and eventual leaking in the engine? I do have it routed up and over the master cylinder before it goes down and back along the frame.
What I have been told ids many commercial applications (like UPS) route the CCV gasses to atmosphere like you have setup.
Senior User
Joined: May 2004
Posts: 448
Likes: 0
From: Minnesota
It is definitely smoking, it is just that I had noticed a oil film on the rear of the hose, and was just curious how much oil actually gets up and over the master cylinder. Sounds like it is nothing to worry about-
Logistics Pro
Joined: Mar 2004
Posts: 4,221
Likes: 3
Originally Posted by Highmark18
It is definitely smoking, it is just that I had noticed a oil film on the rear of the hose, and was just curious how much oil actually gets up and over the master cylinder. Sounds like it is nothing to worry about-
My plan is to give them a looksee every once in a while, and if they start building up more oil than I'd like, then I'll either make one large low-spot and install a T so I can drain it, or I'll just cut the hose so it ends basically right around the tranny, w/ just a straight run down, like the T444E comes from International.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
Originally Posted by rmilchman
You don't get a strong smell inside the cab?
Senior User
Joined: May 2004
Posts: 448
Likes: 0
From: Minnesota
Originally Posted by ryaneverk2
Mine is set up like yours, and with a clear hose, so I can see any blockages. Although it goes up over the master cylinder, some oil still makes it past (probably from some of the vapors condensing?). It's tough to route a hose that far back along the frame without getting a couple low spots. In each low spot I have just a bit of oil. I'll keep an eye on it but I don't think there are any spots that could become blocked even with a lot of oil, like a U-bend pipe coming off your toilet, because none of them go that low.
My plan is to give them a looksee every once in a while, and if they start building up more oil than I'd like, then I'll either make one large low-spot and install a T so I can drain it, or I'll just cut the hose so it ends basically right around the tranny, w/ just a straight run down, like the T444E comes from International.
My plan is to give them a looksee every once in a while, and if they start building up more oil than I'd like, then I'll either make one large low-spot and install a T so I can drain it, or I'll just cut the hose so it ends basically right around the tranny, w/ just a straight run down, like the T444E comes from International.
Kudo's, that was a very good idea.