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  1. Jdrpb

    One of my heater core hoses has another hose welded to it

    Ok, so update... looks like there is a 3/4 (at this point I'm guessing size, may be 1") hose that goes to the back of the engine... looks like a return for cooling from the head maybe? Just have to find out where the other end connects!
  2. Jdrpb

    One of my heater core hoses has another hose welded to it

    Ok, on my 2013 Sahara unlimited I have two stainless lines going to the heater core connections at the firewall. One has another hose connection welded to the side of what I believe is the return line to water pump. Anyone know where that connects to??