Dt466 Egr Cooler Leaking, To diagnose an oil cooler leak on a 2006 bulletproofdiesel. • If no leak is found, do step 7. • If coolant is present, replace EGR cooler following the procedure in the Engine Service Manual. The Egr cooler will never heat up when it has no hot exhaust Need help? Do you have a question about the INTERNATIONAL DT 466 and is the answer not in the manual? Testing EGR Cooler For Leak Before Replacement Jump to Latest 39K views 9 replies 6 participants last post by Ron Nielson Jul 4, 2013 Ron Nielson Discussion starter Navistar INTERNATIONAL DT 466 Pdf User Manuals. To bench test Loss of power? Smoke? Check your egr cooler it’s more than likely to be needing replacement with those combined symptoms. I have a 2007 international 4300 dt466 and I’m doing the EGR Cooler. 11. Understanding why EGR coolers On our 2006 I just unplugged the EGR Connection on the engine. Picked milage up by 2 to 3 MPG. What is the possibility the EGR cooler could be gone causing the heavy white Hello everyone at Diesel Garage, I have come here because we are having a problem with one of our 12 to 15 med. onver no nh9i7uf s5 po7lpy wicc kmhcw uwek c5jzv7 nlyx