Rear heater removal

[lkrasner]

I've removed my rear heater in my '94 E350 Short bus. I turned off the 2 hose valves under the hood when I cut the lines, and only lost about a quart of coolant from the lines. The question is what to do now? Can I simply leave those valves closed? Or will that disable the front heat too? Or should I just make a loop behind the valve panel under the hood?

[eethan]

All you have to do now is connect the two cut lines together and you can open the valves. This is what most people do so they still have window defrosters/driver heaters.

[Pygmy Yeti]

Does removing the rear heater effect the cooling of the engine?

[StefN]

My 90 Thomas uses coolant in the lines and the values don't close 100% so I connected them to a heat exchanger. The exchanger makes it so I can use that heat with bothering the cooling system. I got the heat exchanger (& fittings) on Amazon.

[cadillackid]

sometimes in a van cutaway bus you dont need to connect the heater lines together.. start your bus and turn on the front defrost / heater , set it to hot and see if you get heat... some of them the dash heater still flows even with the valves closed to the rear heaters.. if thats the case then it is still a good idea to cap those lines.. those valves are notorious for leaking a bit at times..

-Christopher

[HappyInTN]

Originally Posted by lkrasner

I've removed my rear heater in my '94 E350 Short bus. I turned off the 2 hose valves under the hood when I cut the lines, and only lost about a quart of coolant from the lines. The question is what to do now? Can I simply leave those valves closed? Or will that disable the front heat too? Or should I just make a loop behind the valve panel under the hood?

I Had three htrs. one at driver seat and two further back. I wanted to keep the one at the driver seat so I just looped the circuit at that htr and cut out the other two.. Works like a champ.