![oil in coolant reservoir/ oil in coolant reservoir diesel engine/ oil in coolant reservoir dd15/dd13 - YouTube oil in coolant reservoir/ oil in coolant reservoir diesel engine/ oil in coolant reservoir dd15/dd13 - YouTube](https://i.ytimg.com/vi/jFFp4ExM1Gc/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLCMhHU-N9RfrcV_lnyxfxGG0ylWhA)
oil in coolant reservoir/ oil in coolant reservoir diesel engine/ oil in coolant reservoir dd15/dd13 - YouTube
Deer Park Diesel & Automotive - That's some interesting coolant... If you see oil/coolant cross contamination in your 7.3L Powerstroke, think oil cooler. The heat exchanger seals commonly fail (or the core
![Coolant & oil mix? Info in picture descriptions but do you guys think I will be okay to start it for 30 seconds and move it inside to work on it? I Coolant & oil mix? Info in picture descriptions but do you guys think I will be okay to start it for 30 seconds and move it inside to work on it? I](https://i.redd.it/xr7rnf0o5y581.jpg)
Coolant & oil mix? Info in picture descriptions but do you guys think I will be okay to start it for 30 seconds and move it inside to work on it? I
![Amazon.com: 904-225 Engine Oil Cooler Replacement for Ford F250 F350 F450 F550 7.3L # 1C3Z6C610BA 1815904C2 F4TZ6A636A 1C3Z6A642AA 1C3Z6K649BA : Automotive Amazon.com: 904-225 Engine Oil Cooler Replacement for Ford F250 F350 F450 F550 7.3L # 1C3Z6C610BA 1815904C2 F4TZ6A636A 1C3Z6A642AA 1C3Z6K649BA : Automotive](https://m.media-amazon.com/images/I/51gvTKqL6lL.jpg)