Compressor outlet hose blows off - Ford Powerstroke Diesel Forum
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Old 02-26-2012, 02:11 PM

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Compressor outlet hose blows off

The hose clamped to the compressor outlet blew off.
2005 at 81,000 miles
We limped into the Ford dealership in Roseburg, Oregon at about 5 pm.
The hose clamp to the compressor outlet was missing.
We purchased a new clamp and a mechanic still in shop was nice enough to put it on for us at no charge.

We left the shop and headed back out and the hose clamp blew off again within 10 minutes.
Now on the side of the freeway, I found the hose clamp still in the engine compartment and re-installed it.
Okay for another 20 minutes before it blew off again.
At this point I wired the clamp to another clamp so that it would not get lost.

After the sixth time of the clamp blowing off, I purchased a replacement hose.
There is a dash light on now - a yellow engine outline.
The old hose appeared to have a slight film of oily-ness inside of it.
That fixed that problem.

Now, after 1500 miles of travel, I'm seeing a slight loss of coolant.
No drips or anything. . .just needs topping off every so often.

Question; Is this coolant loss a symptom of some known problem related to the hose oiliness issue?

I don't have tech knowledge and am "dealer dependent".
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Old 02-26-2012, 02:36 PM Rookie

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He didn't just install a standard worm gear flat headed hose clamp did he? If so that wont last at all. If he used the proper clamp with the 7/16" nut and spring. He didnt have it tight enough. Oil in the hose is normal It is from the CCV. Oil vapors get inside and will leave oil residue. This is normal. Coolant loss can be from several things. Do you have evidence of overflow at Degas bottle?
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Old 02-26-2012, 02:46 PM
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The oil residue inside the turbo is normal and has nothing to do with a loss of coolant. The Crank Case Ventilation system lets some oily vapors get sucked into the intake which in turn leaves an oily coating in all the intake hoses and intercooler.

Whenever one of your intake hoses blows off you need to get all the oily residue off before you reinstall it or it will just keep blowing off.
I found that squirting some starting fluid on the hose a then wiping it off good does a great job of removing the oil!!!

A loss of coolant could be anything such as a bad coolant cap, leaking EGR cooler, or leaking headgaskets.
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Old 02-26-2012, 03:44 PM

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The replacement clamp is a Ford spring tension clamp - not a garden variety "hose" clamp.
The part bag warns "do not over tightened" - believe me, by the 5th or 6th time that clamp blew off, I tightened it to within an fraction of it's life.

Degas coolant reservoir - no overflow/squeeze out.

The only modification I ever attempted is the coolant filter mod.
There is no apparent leaks from the hose clamps on it.

I will monitor the coolant levels over the next few days and will take it to the dealer in Phoenix/Cave Creek area later this week for a 3000 mile oil change.

And thank you VERY much for your quick responses to this post.
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