Coolant leak - help locate

Oaborbag

It's just a 6 cylinder
Joined
Aug 7, 2008
Messages
187
I haven't driven my truck in about a week and a half, but the other day I noticed a leak underneath it starting to grow, today it is even bigger so I decided to check it out. I narrowed it down that it's antifreeze and coming from behind where the A/C compressor attaches to the block. I thought maybe the bottom hose connection was bad, but it appears to be good, and all the bolts are tight, and I didn't notice any obvious places it's leaking.

I have attached two photos from underneath, sorry for the quality I had to make them really small to upload. I can't figure out where it's leaking from, was hoping to get some feedback before I start taking everything apart. Thanks in advance
 

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Check the coolant return from the heater core, it comes in on top of the bottom hose outlet.
 
Turned out to be a small hole on the water pump, replaced the pump no more leak, I guess at 158k it's time to change it
 
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