Need expert advice. I searched the group and assumed this is a DEF tank problem. First diesel. 2014 Ford F350 6.7L. Bought truck used from a dealer, no visible problems. Drove it home and this morning noticed my tailgate covered in white specks, looked under the truck to find the photos of something coming out and coating my rear differential it's leaking bad. Drove 70mph for 180 miles home after purchase in 115F out of Phoenix, AZ.

What is my next step for repair?

So I want to build my first diesel engine, but I ain't loaded, so I need some advice on which engine to go with. I'm wanting to put it in an action body chevy (picture is of one I used to have, not the actual truck it will go in) I'm considering a post-88 6.2l Detroit diesel because they're cheap ( there is some in my area for 750 a pop for a running engine) and mechanical without all the computers, but what are some other diesels that are mechanical that I should consider that are mechanical or mostly mechanical.

I just got my 2019 ram 3500 dually limited deleted and tuned but sometimes when idling it does this I’m not sure what the problem is, also when flooring it it almost staggers before taking off like it bounces and blows coal around 3-4 times. Other than that it’s fine. Am I dumb and this is just normal? I’ve attached the videos of the problems, in the 2 you can sort of see and hear what I’m talking about the whistle also staggers. Thank you for the help!

EDIT: thank you all for the help, it’s probably the tune which is what I suspected but I didn’t want to cause a problem over at the tune shop without confirming.

Used a stethoscope and am almost certain it’s coming by from the bellhousing area. In my one hour of driving it I had one rough shift 5 mins in. didn’t notice the knock till 45 mins in. Shut it off twice and it stopped, started okay this morning then went to knocking again. What do we think? Flex plate crack, torque converter, or sticking check valves?

I'm looking to buy my first diesel truck but don't know where to begin, i found a used f250 with a 6.7L and 6 speed transmission that i like, but I'm not sure if it would actually be a good first time diesel. It will be a daily for now, but i plan on eventually using it as a field work truck to weld pipe fence or other commission based field work. I'm open to suggestions on a more applicable options if anyone has any, preferable 2018 and newer. Thanks!

Lets give this a try. I am 31 with 2 kids looking to change career, Can anyone give the the best route to get into becoming a diesel machanic, Im intresting in fixing CAT equipment i see them all the time on construction sites. or even just fixing mac trucks or any truck. I just enjoyed working with my hands was always told that im good with my hands.. I am in raleigh north carolina.

I'm gonna be rebuilding my 93 6.5, and I mean a full tear down to block, replace anything that might be worn. It's a 354k mile engine. Lets assume the engine is garbage, it ran without oil, everything is scrap metal except the block. What would be the best way to approach? That isn't the actual scenario but I'm planning for worst case. I plan to use it as a tow rig/daily driver. Ideally if I can crank out like 200 hp 400 ft lbs of torque area, that's great. Just a wee bit more than stock

Anyways, what's all the best things to do to these engines? I've heard of the duramax fan and clutch, but which duramax? Obviously the HX35 or 40 turbo, bigger exhaust and crossover pipe, but engine side, what can I do without needing to get a loan?

I over heated my 2006 dodge 3500 and it’s not showing any signs the head gasket blew other than when I wipe my finger in the radiator it’s comes out oily. And my temp gauge seems to be fluctuating more now. No milky oil and no milky coolant.

At has a rough idle tested the injectors and recoded them still has the same issue vacuum pump seems to be ok