back flush the old heater core

[dave1645]

:cheer:
Eric your video for flushing the heater core in the jeep was great as usual, I have used the CLR many times works very well. But here is a tip for ya on the air from your compressor.
use your air gun, you can control the presure much easier and not drown like you did… I have done both my 2000 jeeps and the crap that comes out is amazing . I just use a piece plastic hose that fits inside the heater hoses and the air gun fits nicely Stay dirty

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[EricTheCarGuy]

Thanks very much for the suggestion, I really appreciate it. In fact I’m going to post this over at the ‘How To’ section so that others can benefit from it. Thanks again.

[George Ku]

I wonder how much air pressure (psi) is safe to flush the heater core?

[dave1645]

I did not seal the air going in. And used maybe 10 pounds. Seems sAfe because your system run s at 18. Plus or minus.

[Author]

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