I noticed a wet spot right underneath the truck under the engine. I believe that it is the oil pan. I put my hand on the wet spot, and it was the color and thickness of oil. Are these things hard to replace and can I do it on my own?

I dont have my jack right now and MAYBE luckily since its a Z71 and Z71's suspensions sit a little highter, i might be able to crawl under and have enough room to remove it?

 

My oil cooler lines have been sweating oil at the fitting right where they connect into the radiator. I havent checked where they run to, but it might just be that leaking and not the oil pan?

 

I looked under there again and noticed this other fluid. It was a lighter brown and it smelled like some kind of other chemical... ahh god... I cannot afford to fix all this! what is this?

 

If it was trans fluid it should be red/pink it has a distinct smell to it, if it is your trans fluid and its brown then your gunna have some more problems soon

 

the trans fluid on the dipstick is red. maybe its a brake line? is there a brake line by the oil pan? maybe its not the trans and its a brake line?