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  #1  
Old 01-20-2014, 06:28 AM
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Should be an easy one.. water pump?

Woke up this morning to some pooling under the truck. Looks like it's coolant.

I couldn't see any moisture around the degas bottle and couldn't see easily any liquids when looking down on the engine compartment from the top.

when i got under the truck, i could see liquid slowly trickling/dripping down along some of the steering/frame/suspension components.

take look at the pics, what do you think? did my water pump bust a seal or something? i couldn't find any obvious broken hose or leaking.. radiator looked good and dry too
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Old 01-20-2014, 06:47 AM
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Try to chase it down a little further. It could be that o-ring where the intake meets the front cover or the hose that feeds coolant to your egr (or its delete) also.
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Old 01-20-2014, 06:57 AM
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thanks.. just walked in the house to get a work lamp to see better from the bottom..

theres coolant splashed all along the passenger undercarriage. looks like this may have happened last night on the hiway coming home.

fwiw, i had the cruise control @ 65 for about 30 miles.. no lead footing..

back to the driveway....
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Old 01-20-2014, 07:34 AM
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looks like it may indeed be EGR related?

theres a small pool of coolant around the EGR coolant fitting
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Old 01-20-2014, 07:38 AM
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Might be time for a <cough> <cough> <egr delete> <cough> <cough> new hose.
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Old 01-20-2014, 07:44 AM
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Here's another clue.. look at the mysterious white dry coolant spray pattern on the underside of the hood right over where that EGR hose is.

I wonder if I have a more serious issue like HGs leaking that is really causing all of these headaches. might have to do a pressure test today.

gulp.

p.s. my EGR is freeze plugged and welded on both ends. I did that last month along with a new oil cooler. i wanted to keep the stock "look" under the hood so i wouldnt have to deal with any offroad only emission type harrassments if someone ever visually inspected the truck.
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  #7  
Old 01-20-2014, 07:53 AM
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actually i was just looking at page 1 of the intake manifold pdf you posted in the step-by-step oil cooler removal docs.. and that location of that o-ring along with the amount of coolant dripping makes total sense where its coming from that its dripping down along the front of the motor.

now i just need to confirm if my coolant system is being pressurized beyond 16psi (oh please god no) or if it is a simple o-ring failure.

also, since my egr cooler is welded shut on both ends, should i keep filling my degas bottle to the "Min" line when cold? or should i leave it a little lower than that to make up for the volume in the EGR cooler thats no longer being filled with coolant?
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Old 01-20-2014, 08:01 AM
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Quote:
Originally Posted by yamasaki View Post
also, since my egr cooler is welded shut on both ends, should i keep filling my degas bottle to the "Min" line when cold? or should i leave it a little lower than that to make up for the volume in the EGR cooler thats no longer being filled with coolant?
You should have it to the Min mark when cold. Ford issued a TSB way back when for that. The Min is now the full mark.
Hopefully you only welded the exhaust inlet/outlet on the egr cooler.
If you didn't, your oil cooler would not function properly because the coolant comes out of the oil cooler, through the egr cooler then back to the front cover.
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Old 01-20-2014, 08:34 AM
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i did freeze plugs on both ends only .. i also cleaned and welded my EGR valve closed at that time

New member, just bought a 2007 6.0L FX4

yes, you're right, sorry, i did only do the exhaust plugs. i did not plug the two smaller inlets/outlets for the coolant, just the plugs on both ends of the cooler where the exhaust passes through. i guess my coolant level concerns would be nullified then.

ive never filled the degas past mininum.
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  #10  
Old 01-20-2014, 02:07 PM
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sounds like your water pump let go to me. i had the exact same splatter on the underside of my hood, leaking coolant off of the bottom pulley and onto the steering parts. i replaced mine with a bpd pump and no issues since
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