oil leak???? - Ford Powerstroke Diesel Forum
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post #1 of 12 Old 01-15-2012, 12:03 PM Thread Starter
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oil leak????

I have a 7.3 in an EX and it has oil leaking from the cold side pipe coupling under the radiator bottle(THE AREA IS WET). It drips down from there onto the trans cooler lines. At first I thought it was ATF but it is brown in color. The engine runs ok but I get a p1247(low turbo pressure) I clean the tube or reset the code and it comes back in a month or so. Could this oil leak also get causing an air leak and account for low power and the p1247 code?. Also noticed a orange hose that is hooked to the under side of the turbo that has a loose hose clamp that I tightened. Iam not sure what this hose goes to. When I tighten the clamp the hose clamp would slip down and did not look like it sealed well. Any advice would be appreciated.
Ken
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Last edited by kengt; 01-15-2012 at 01:22 PM. Reason: add pic
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post #2 of 12 Old 01-15-2012, 12:14 PM
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Got some pics? I would have to say the oil is from the ccv thus the reason a lot ppl do the ccv mod. Keeps oil out of the intercooler and the tubes clean.

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post #3 of 12 Old 01-15-2012, 01:24 PM Thread Starter
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attached is a pic but it is hard to see the drip of oil under the tube. But if it leaks oil isnt it an air leak?
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post #4 of 12 Old 01-15-2012, 01:32 PM
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Oil saturates the boots and then drips out of them.



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
4R100, 2wd
330,000 + miles
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post #5 of 12 Old 01-16-2012, 05:31 PM Thread Starter
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can someone please give me some advice
Thanks
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post #6 of 12 Old 01-16-2012, 05:40 PM
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We told you what it is.
The crank case vents into the intake and oil saturates the intercooler boots and eventually drips out. That can cause them to be weak and leak boost. How big is the orange 'hose?' Are there two? Do they clamp to the engine? If so, those are just different colored boots.



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
4R100, 2wd
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post #7 of 12 Old 01-16-2012, 07:21 PM Thread Starter
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thanks for the info. CAn I buy just one hose to replace from intercooler to turbo and do you know what is involved with the ccv mod? The that has the loose clamp is 2.5" dia and goes from the valley to the bottom of the turbo.
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post #8 of 12 Old 01-16-2012, 07:25 PM
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Search ccv mod. Easy to do.
Yea you can just buy one boot but I'm not sure which one you're talking about. Ford has them but they're expensive and all your boots are saturated, trust me. Riff Raff sells new ones for way cheaper, and they're better than OEM. Just do the CCV mod before you put em on, otherwise they'll end up nasty too.
The air flow goes like this - air filter, intake tube, compressor, then spider. Then a boot to the driver side (hot side) intercooler tube. Another boot. Intercooler to pass side. Boot. cold side tube. boot. spider. then down into both orange boots and then the heads.



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4R100, 2wd
330,000 + miles
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post #9 of 12 Old 01-16-2012, 08:08 PM Thread Starter
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can i do ccv mod in CA. ? We have smog checks now for diesels. do all the hoses need to be replaced. Is this difficult?
Thanks,
\Ken
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post #10 of 12 Old 01-16-2012, 08:15 PM
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Tech may fail u for that here in Cali
I've don't it only because I have no inspection for my truck it's exempt

2000 F550 DRW. 4x4 manual Trans
AIH delete
Glow shift guages
98gal transfer flowtank
Riffraff 6637 kit
Ccv mode
Wicked wheel
4" mbrp
PAC brake with aux air tank to air stuff up
TS chip 6 pos
Riffraff hpx crossover
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