DIY: Heater Core Flush with Filter Installed
#1
JK Enthusiast
Thread Starter
DIY: Heater Core Flush with Filter Installed
I know this topic has probably been beat to death here but I wanted to show people how easy it is to perform yourself and how to install an affordable filter screen.
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resharp001 (11-18-2019)
#2
Good video, Is your heater working again after doing this?
Mine had the same amount of debris when I flushed it, but still didn't alleviate the heater issue (on driver side). What did help immensely was switching the inlet/outlet heater hoses at those same clamps....Now, I have heat again.
Mine had the same amount of debris when I flushed it, but still didn't alleviate the heater issue (on driver side). What did help immensely was switching the inlet/outlet heater hoses at those same clamps....Now, I have heat again.
#4
I flushed mine by running water through the outlet for 15min, added 4oz of CLR to inlet, flushed outlet again for 15min.... Then, I switched the lines after that didn't work.
#6
Would be good to add a step after flushing to blow out the lines. You can get a cheap hose inlet fitting for RV winterizing that you can connect a compressor to. That way zero tap water is left in the system🤞
#7
JK Enthusiast
Thread Starter
I got a ton of water out of it just by blowing it through with my mouth, but yes getting that tap water out is a must.
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#9