heres some pics decided to clean up the engine bay and came to find the rust.

 

Lookin good! Did you steam clean all the underhood?

 

Fleetguard.... best there is

My Fleetguard filter has a Cummins logo on it though

Back on topic... like i already said, it must have blown a battery at some point and you didn't clean it right away... so now it's corroding... i'd replace that fender...

Looking nice after that cleanup though... did you remove your silencer ring already ?

 

Ya i just bought the truck about 2 weeks ago new to the diesel scene and who ever had it before let it corrod. And the silencer ring is removed already and i didnt touch under the hood didnt want to soak the insulation but didnt think steam clean sounds like a good idea i just power washed with simple green and soaked all in wd40.