Turbo CAC tube brace!!! - Ford Powerstroke Diesel Forum
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Old 04-18-2013, 09:37 PM
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Turbo CAC tube brace!!!

Had another CAC hose blow off the turbo while driving on the freeway so I limped the truck back home with very loud turbo whistle and no boost registering on the gauge, this is the third time since the truck was new.

The last time that the hose blew off was over two years ago, I found out that the best way to clean the oil off the hose and flange is to spray with starting fluid (had some in my tool box) and wipe several times with a clean rag. I expected this to hold for a little while, but it ended up holding for over two years!!!

Well now to the brace, I put a new hose on, got to looking at the CAC tube and decided that I didn't want to deal with the hose blowing off in the future and possibly denting my hood, so I picked up a 3" exhaust band clamp and a 3/4" wide piece of flat bar and made a nice bracket to hold the tube secure.

The hose can still tear when it gets old but it can't slide off of the turbo any more!!!



Here is the piece I made to bolt onto the alternator mount:
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Old 04-18-2013, 11:05 PM
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Nice idea. Wanna make a few bucks with paypal? lol.
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Old 04-19-2013, 06:10 AM
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Nice work!!! Do you get any weird vibrations or noise with the cac tube being bolted to the alternator?
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Old 04-19-2013, 06:14 AM
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Quote:
Originally Posted by smokejoke View Post
Nice work!!! Do you get any weird vibrations or noise with the cac tube being bolted to the alternator?
I was wondering the same thing. Also, does it allow the tube to still flex a little with the vibrations from the motor?
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Old 04-19-2013, 07:48 AM
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Quote:
I was wondering the same thing. Also, does it allow the tube to still flex a little with the vibrations from the motor
Good point, under quick throttle there would be some movement. The bottom boot is fairly flexible, but his attachment could act as a fulcrum. His clamp will prevent one problem, but maybe create another. Perhaps another rubber isolator at the alt attachment point would prevent any issues from coming up.

I like his idea, but I wonder what torque he is using on the clamp in the first place.
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Old 04-19-2013, 08:15 AM
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I seem to remember a few years ago someone selling a similiar contraption on E-bay.
Had a post about it with a link to it. He didn't last here long IIRC
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Old 04-19-2013, 08:36 AM
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I just installed it last night so I don't have the answers for whether it needs a rubber isolator of some kind. I can tell you that there are no extra noises or vibrations coming from it.

The biggest thing I will be checking will be the lower boot movement, but the boot is quite flexible and I don't think it will be bothered.

If need be, I could change the clamp to a larger size and add an isolator sleeve to wrap around the CAC tube.

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Old 04-19-2013, 08:39 AM
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Quote:
Originally Posted by twoicebergs View Post
Good point, under quick throttle there would be some movement. The bottom boot is fairly flexible, but his attachment could act as a fulcrum. His clamp will prevent one problem, but maybe create another. Perhaps another rubber isolator at the alt attachment point would prevent any issues from coming up.

I like his idea, but I wonder what torque he is using on the clamp in the first place.

The clamp is tight on the tube so that there won't be any rubbing through from it vibrating against the tube.
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Old 04-19-2013, 04:08 PM
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good idea but not even a little bit necessary
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Old 07-31-2013, 12:04 PM
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Would help take stress off the boots from supporting the tube, too.
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