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engine noise

I

IRH

New Member
Mar 2, 2020
3
0
Truck Year
2015
I have a 2015 Laramie that I factory ordered. I now have 55000 km on it and I have noticed a noise that sounds like tire noise. I took my service adviser for a ride and he picked up the noise right away.My truck went into the shop right away and they diagnosed a balance weight missing from the driveshaft. They replaced the driveshaft with a new one [warrenty]. no difference. I noticed when parked and doing a stall test and slowly increasing rpm, the noise was coming on at 1500 to 1700 rpm at light load. I had a mechanic [who looks after my wife' car] give a listen with his stethoscope while I did the stall test again.The noise is coming from the pipe that goes from the turbo compressor to the inlet on the after cooler.Has anyone come across this before?
Ian Hunter Summerland B.C.
 
W

WayneB

New Member
May 3, 2020
10
0
Truck Year
2015
Carefully pull back on the insulating sleeve on the EGR tube where it goes into the intake and see if the EGR gasses have burned through the intake, may need to be doing stall test to find it if its leaking.
 
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