Have seen an intermittant coolant leak from back of engine only in the mornings when the temperature is "cold" (I live in central Texas so cold right now is in the upper 60-low 70's) Once things warm up, outside temp or engine temp, leak stops. Any ideas?

 

Just a question to maybe help others answer you better:

which side of the motor is the leak coming from?

Dave

 

Mainly the passenger side but once a little from driverside too.

 

Oil cooler outlet hose maybe. Can see it passenger side under intake manifold top of engine. Orange is older hose, blue is newer style.

 

Thanks Rusty. Is there a reason it only leaks when cold? If this is it, how difficult to change out?

 

Not very difficult with the right tool for the one bolt.

Here is a good thread with links and pics.

https://www.ford-trucks.com/forums/1...ange-hose.html

 

My 03 had the same thing - but I traded it on the 05 before getting it fixed as it was so intermittent...

 

Mine truck had the same issue 4 yrs ago. still under warranty. Turned out to be a O'ring that would swell up when hot drawl up when cold and leak.