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I installed a BPD EGR cooler about 4 years ago just as a preventative measure (along with an oil cooler) in my '06 F-250 6.0. About 6 months ago some coolant was found to be coming down the rear of the engine and onto the garage floor but only in the mornings after cooling down and even then not every morning.
A couple weeks ago I did a coolant flush and put the red ELC coolant in and now I can see better where the coolant is coming from. It appears to be coming out from the O-ring between the cooler and the intake manifold. I did check the torque on the stud and bolt and they are tight.
Is there a way the drop the cooler enough to install a new O-ring with out going through the whole process of removing the intake manifold and everything that is associated with that? The thought is daunting...
Thanks for any and all advice on this.
Last edited by Zergee; Apr 17, 2016 at 07:42 PM.
Reason: add truck MY
I haven't done it but I understand you can actuially change the EGR cooler without removing the intake manifold. You do have to pull the bolts I think but the intake can stay in place on the engine along with the turbo and pedestal. Depending on how clever you are, I'd try unbolting the cooler and fishing the Oring into position. I would make sure it isn't the small blue hose coming off the small pipe on the EGR cooler first, they are a common leaker. That Oring, not so much.
That gives me some hope because it's a PItA to remove everything. There is some red coolant on top of the cooler and it appears to come from where the O-ring is at the front end of it. The blue hose is below it so I don't see how it could be that unless it's squirting upwards. I will triple check first though.
Is the reason to unbolt the cooler to lift it a little bit to get to the O-ring?
Oh, what is the torque spec on the little intake bolts. I don't remember off hand.