help need to change blue egr hose - TheDieselGarage.com
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post #1 of 6 (permalink) Old 01-23-2012, 12:07 AM Thread Starter
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help need to change blue egr hose

how can a change the blue hose from the egr can some one help me do i need to remove the turbo or is there any easier way to change this
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post #2 of 6 (permalink) Old 01-23-2012, 12:47 AM
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If the hose is leaking, more than likely the egr cooler is cooked also. A bandaid approach will usually come back to bite you. I would recommend flushing the cooling system first, then replacing both the egr cooler and engine oil cooler. Another option is an egr cooler delete and oil cooler, but that is up to you and your comfort range with state and federal laws. But yes, turbo and turbo pedistal need to come off, intake manifold needs to come off to do it right. Once the turbo and pedistal is off, you have a somewhat better view of the hose. I have heard of some being able to repl the hose with just these items off, but it will still take a magic trick to get it in correctly. Here's the issue, that blue hose is coming out of the engine oil cooler and into the egr cooler. The engine oil coolers clog up then starve the egr cooler of coolant, which then causes the egr cooler and hose to leak from high temperature overloading.

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post #3 of 6 (permalink) Old 01-23-2012, 02:31 AM Thread Starter
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i just had my egr deleted and i also change my oil cooler but i dont want to go to all the time of taking off the turbo and all that things out is there any other way to change it without taking so many parts off
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post #4 of 6 (permalink) Old 01-23-2012, 02:58 AM
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You don't need to remove turbo to change the EGR cooler hose.

Removal:
Drain engine coolant (2 gallons). - DO THIS FIRST - IMPORTANT
Loosen the clamps and remove the charge air cooler (CAC) intake pipe (HotSide pipe) - DO THIS SECOND - IMPORTANT
Remove the 2 T30 bolts and the EGR cooler supply port housing cover.
Remove the EGR cooler supply port housing cover
Twist and pull the oil cooler-to-EGR cooler hose to remove it from the EGR cooler tube (you can do this with it attached to the EGR cooler housing cover or you can stab a screwdriver through the old hose to help you twist it).
Rotate the oil-cooler-to-EGR-cooler hose 90 degrees (1/4-turn) and remove it from the EGR cooler supply port housing.

Installation:
Clean and inspect the EGR cooler supply port housing O-ring seals. Install new O-ring seals if necessary.
Lubricate the inside of the new oil cooler-to-EGR cooler hose with clean engine coolant and slide it onto the EGR cooler tube far enough so it will not interfere with the installation of the EGR cooler supply port.
Make sure the dual index marks (flat edge) on the hose are facing up.
Lubricate the EGR cooler housing cover supply port O-ring seals with clean engine coolant and position the EGR cooler supply port housing cover on the engine. After positioning the EGR cooler supply port housing cover, install the 2 bolts.

NOTE: Use a commercially available Torx bit, such as Matco® BTX30B, or equivalent, and a torque adapter to tighten the EGR cooler supply port housing cover bolts. Calculate the correct torque wrench setting for the following torque. Refer to the Torque Wrench Adapter Formulas in the Appendix. Tighten to 10 Nm (89 lb-in).

Slide the oil cooler-to-EGR cooler hose onto the EGR cooler housing cover (supply port) and rotate it 90 degrees (1/4-turn) until it locks in place.
Install the CAC intake pipe and tighten the clamps. Tighten to 12 Nm (9 lb-ft).
Fill and bleed the engine cooling system.

Mark
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Last edited by bismic; 01-23-2012 at 03:01 AM.
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post #5 of 6 (permalink) Old 01-23-2012, 12:54 PM
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Thanks Mark, I had no idea it could be done that way, very good info.

Harry

Jan 03' built 6.0/F250cc4wd trqsft/SCT-tuned by KEM-Performance/Garrett Powermax vg-turbo/blue spring mod/gauges=egt+boost+fuel+SG2/exhaust/airaid intake/DR 4.5 lift/dual bilsteins/315's/greasable ball joints/powerstop/smittybuilt/kc lights/high idle mod/roll-n-lock/Mobil Delvac1 ESP 5W40 with (Archoil AR9100 in the oil) and (AR6200 in the fuel)http://www.archoilspokane.com/
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post #6 of 6 (permalink) Old 01-24-2012, 01:27 PM Thread Starter
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the hose was never leaking before i deleted the egr i think i did not put it back the right way i turn the hose arounf and place the 2 lines to allight with the single line on the metal and it stop leaking.


thank for your help
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