I had the check engine light come on yesterday (4/6/22) and pulled into O' Reilly Auto Parts to have them check the code. The code was for the crankcase breather being disconnected. We opened the hood and looked around, finding nothing obvious was disconnected. However, noticed that the coolant reservoir was dirty looking and removing the cap allowed me to see globs of oil floating around. I pulled the engine oil filler cap and the underside was coated in gray sludge. Now, I'm no mechanic and I'm sure as hell not a diesel mechanic, but I know what oil and water look like when mixed together. From everything I've read I suppose I'm in need of a new oil cooler. Waiting for the tow truck now and was wondering if anything has been done to improve the oil coolers, or will I be simply waiting for this to happen again in the future. My truck is a 2018 with just under 25,000 miles.
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Well, it my turn...
- Thread starter DVB911
- Start date
John Jensen
Well-Known Member
- Mar 22, 2016
- 864
- 426
- Truck Year
- 2016
EGR cooler. Recall VB1 replaced the coolers. Did you do VB1?
- Thread starter
- #3
Yes Sir,
it was taken care of.
xTHExSPECIALIST
New Member
- Jun 5, 2022
- 20
- 9
- Truck Year
- 2015
Was the oil/coolant mix issue after the VB1 recall?
I have the same issue, oil in the coolant, thinking it’s the Engine Oil Cooler where the filter is located. Hoping it’s not a head gasket.
- Thread starter
- #5
Oil cooler failed after EGR recall was taken care of. The oil cooler replacement took nearly a month due to my local dealer claiming to have difficulty getting parts. They replaced the coolant reservoir as well. The truck seems to be running a good as it ever has.