Howdy ... just found out I have break fluid leak, but I don't know if it is the break line or this part in the picture ... this is on the driver's side of the truck. Anyone know what that part is? Is it related to the breaks? It was really weird ... when I parked the truck the brake pedal when way down and I heard the fluid going out. Didn't know what happen and at the time I didn't know the break fluid was leaking out ... at first I thought the liquid on the garage floor was water from the ac ... then today I use the truck and going down the road ... suddenly the anti lock break light comes on and the speedometer stops working. :no: When I came to a stop the engine stalled ... it restarted ok, when down the road again ... slow down to a stop ... engine stalls. Then the "service engine light comes on along with the anti lock break light. When I get to my destination I check the break fluid and it's low. I add some more and the anti lock brake goes off, the speedometer starts working again, but the service engine light was still on. I stopped at another store when I start the truck again the service engine soon light is off. I have no idea what cause that. I realize the wet spot in the garage was brake fluid and not water. I check under the truck and I see a leak, but I don't know if it is the line or the part that I don't know what it is in the picture. Can anyone tell me what the part is and could it be the leak? Thank you for your time.