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 > 6.7L CAC hose rupture..beware!

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mrw8i

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Posted: 08/27/18 03:40pm Link  |  Quote  |  Print  |  Notify Moderator

Not sure how many discrete pieces make up a factory CAC pipe for the 6.7. Parts are glued together, hose clamped together, part of it is silicone, I think some of it is ABS. I think the factory tube is 5 different pieces. So much that can wrong with this thing. In my case, like many others, it was the plastic connection right at the throttle body that broke and the whole pipe blew completely off the throttle body. I've seen that same plastic pipe split and blow a hole in the middle, yet remain connected to the throttle body. Others had the plastic pipe on the intercooler side break.

Nothing wrong with KISS - but Ford didn't for some reason. I really doubt this was how it was originally engineered. Seems like accountants, productivity engineers, and just of out college design engineers all partied together to get to the final design.

nremtp143

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Posted: 08/27/18 03:45pm Link  |  Quote  |  Print  |  Notify Moderator

taken wrote:

All 4 have a no tuning required kit. Don't forget too, H&S isn't the only one that sells H&S kits. So, just because they are out of stock doesn't mean all their vendors are. I bought my H&S kit from Rudy's and used a coupon code to save another 5 percent and got free shipping too. Coupon code is PSN. If you have an 11-16 truck, I'd get the H&S silicone version from whomever has it in stock. It's a 10 minutes TOPS install.



Rodney is correct. This thread was started to warn others of am impending problem to arise at the most inopportune time. My turbo also had to be replaced over a year after the CAC pipe failure. Same symptoms as was described earlier with the same codes. Rodney was the first that I know of to have this problem followed closely by myself. Thanks to him I had the spare tube with me and swapped it out on the side of the interstate. As long as they make a plastic pipe, I'll replace with one that I know will get me to where I'm going. And I have Rodney to thank for that.


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RedRocket204

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Posted: 08/27/18 03:49pm Link  |  Quote  |  Print  |  Notify Moderator

agesilaus wrote:

OK the Rudy's kit is out of stock indefinitely.


It is out of stock on AMZN but looks like it can be bought direct at Rudy's. Rudy's Diesel - COLD SIDE INTERCOOLER PIPE UPGRADE KIT

Word has it the AMZN kit was an independent sold only at AMZN. Then Rudy;s got the "same" kit but had to charge more for it... or something like that. It wasn't too involved an install on the Rudy's kit but do agree if there is a silicon only pipe, would probably be much simpler if it's available to buy.


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mrw8i

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Posted: 08/27/18 04:09pm Link  |  Quote  |  Print  |  Notify Moderator

You guys probably know, but it looks like the Ford Factory 2017 design is very similar to the H&S silicone tube design, except cheaper. The Ford part that clips to the throttle looks to be plastic, while the H&S is aluminum. The Ford tube is all rubber (like a radiator hose), while the H&S is silicone. Other than that they look very similar. Finally Ford simplified the design, but may have got overly cheap - but it still has to be better than 2011-2016 design.

taken

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Posted: 08/27/18 04:30pm Link  |  Quote  |  Print  |  Notify Moderator

mrw8i wrote:

You guys probably know, but it looks like the Ford Factory 2017 design is very similar to the H&S silicone tube design, except cheaper. The Ford part that clips to the throttle looks to be plastic, while the H&S is aluminum. The Ford tube is all rubber (like a radiator hose), while the H&S is silicone. Other than that they look very similar. Finally Ford simplified the design, but may have got overly cheap - but it still has to be better than 2011-2016 design.


Actually, no. Ford redesigned the entire tube except for the one part that always fails. The plastic slip collar on the end of the tube, the one part Ford left unchanged, is the part that generally fails. So, the new 2017+ Ford OE tube is just as failure prone as the previous design....


Regards, Rodney
TV - 2017 F350 SRW CC SB 4X4 6.7
TH - 2015 FR XLR 395AMP


mrw8i

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Posted: 08/27/18 04:34pm Link  |  Quote  |  Print  |  Notify Moderator

My registration will be due Jan, 2019. Pretty sure I'll have to smog it to get the registration, I think it will be 2 years since the last time. This might be the first time I smog it a few months early so I can get the pipe changed early. I usually pay the registration the day before its due, then smog it a few weeks later.

taken

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Posted: 08/27/18 04:46pm Link  |  Quote  |  Print  |  Notify Moderator

There are a LOT more trucks out there that will never fail than do. However, after having it happen to me, I wasn't taking a chance of it going a second time. If you read my thread from FTE when it happened to me, you can see that I got lucky(ish) on when and where it happened. It was inconvenient for sure being in the middle of an 800 mile one day trip with a deadline to be somewhere first thing the next morning. But, having West Herr Ford deliver me a replacement while in a maintenance yard right off I90 and getting back on the road was very lucky. Being right at an exit when it happened was very lucky too. About 3 days later i was driving through Chicago on I90 in rush hour traffic and it kept going through my head... what would have happened if it blew here...

mrw8i

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Posted: 08/27/18 05:21pm Link  |  Quote  |  Print  |  Notify Moderator

When it happened to me I was towing a 12,000lb toy hauler. 250 miles from home. Middle of the desert on I-40. 50 miles to the nearest town. Ford sent out a tow truck and towed the truck to the nearest Ford dealer 75 miles the opposite direction from home. I got lucky and a friend drove out that same day and towed our trailer home 250 miles that same day. I've got a spare tube with me since then, but if the tube blowing also damages the turbo, I'd rather have a stronger tube than risk damaging the turbo in the middle of nowhere.

taken

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Posted: 08/27/18 05:25pm Link  |  Quote  |  Print  |  Notify Moderator

Yep, I had 44.5 feet behind me at about 19k#. I may have had it to the floor when it happened and the bang was quite the shock! LOL

agesilaus

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Posted: 08/27/18 06:00pm Link  |  Quote  |  Print  |  Notify Moderator

mrw8i wrote:

My registration will be due Jan, 2019. Pretty sure I'll have to smog it to get the registration, I think it will be 2 years since the last time. This might be the first time I smog it a few months early so I can get the pipe changed early. I usually pay the registration the day before its due, then smog it a few weeks later.


It's very difficult to believe that these smoggers know enough about the 6.7 to glance at it and spot a strange hose. But on the other hand the gestapo has no sense of humor so I can see your point.


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