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Finished EGR/oil cooler and guage pod. Some questions
I just finished upgrading to a sinister EGR Cooler, replaced my oil cooler and installed an autometer gauge pod. No leaking fluids woohoo. I would like to thank everyone that has posted information on this procedure especially fishermedics thread and all that contributed to it. Took about 8 hours not including the following problems.
Now I have a couple questions.
My egr cooler had about a dozen large tubes in it. I was expecting to see radiator type fins in there. Was this already upgraded by the P.O.? The O-ring on the EGR cooler had lots of corrosion around it. Is it possible there was an undectable leak there causing my fluid to vaporize out the degas cap?
I guess I feel like I spent a lot of money because of a $2.00 o-ring.
I obviously cannot see a lot of the inside of the oil cooler but it appeared clean. I expected to see lots of corrosion/blockage.
Transmission temp doesn't read after 30 miles. No load easy driving. No teflon tape on the sensor. What would an ohmeter read when checking it?
I found here that normal boost pressure is 28psi or so at WOT. How about @ idle. Should it be almost zero?
And the worst thing. I hear an hissing sound. Loudest on the passanger side. I'm guessing its an exhaust leak as I can smell it in the engine bay. The sound is worse under load. However at idle it cycles on and off???. A few minutes each. Its too hot to check the pipe connections yet. Seems to drive OK, although I didn't hammer on it.
Any thoughts or links to other threads please.
Last edited by Piratejonh; 03-25-2012 at 09:23 AM.
Reason: added some info