Gen 4 2013 Dodge Ram heat on passenger side, cool or warm on driver side.

Gen 4 2013 Dodge Ram heat on passenger side, cool or warm on driver side.
I flush the heater core to fix the heat, no heat problem.
Follow up video:
Gen 4 RAM heater core flush follow up

OTC 6043 Cleaning Gun:
https://a.co/d/cqHXv98

Spill Proof Radiator Funnel:
https://a.co/d/eQJEngO
__________________________________________

CHANNEL DISCLAIMER
The information provided by Andy ("we", "us" or, "our") on Andy's Garage YouTube channel (the "channel") is for general informational purposes only. All information on the channel is provided in good faith, however we make no representation or warranty of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, availability, or completeness of any information on the channel.  UNDER NO CIRCUMSTANCE SHALL WE HAVE ANY LIABILITY TO YOU FOR ANY LOSS OR DAMAGE OF ANY KIND INCURRED AS A RESULT OF THE VIEWING OF MY CHANNEL OR RELIANCE ON ANY INFORMATION PROVIDED ON THE CHANNEL. YOUR USE OF THE CHANNEL AND YOUR RELIANCE ON ANY INFORMATION ON THE CHANNEL IS SOLELY AT YOUR OWN RISK.

EXTERNAL LINKS DISCLAIMER
The channel may contain links to other websites or content belonging to or originating from third parties or links to websites and features and banners or other advertising. So it's external links are not investigated, monitored, or checked for accuracy, adequacy, validity, reliability, availability, or for completeness by us. WE DO NOT WARRANT ENDORSE GUARANTEE OR ASSUME RESPONSIBILITY FOR THE ACCURACY OR RELIABILITY OF ANY INFORMATION OFFERED BY THIRD-PARTY WEBSITES LINKED THROUGH THE CHANNEL OR ANY WEBSITE OR FEATURE LINKED IN ANY BANNER OR OTHER ADVERTISING. WE WILL NOT BE A PARTY TO OR IN ANY WAY BE RESPONSIBLE FOR MONITORING ANY TRANSACTION BETWEEN YOU AND THIRD-PARTY PROVIDERS OF PRODUCTS OR SERVICES.

PROFESSIONAL DISCLAIMER
The channel cannot and does not contain auto repair advice. The auto repair information is provided for general informational and educational purposes only and is not suitable for professional advice. Accordingly before taking any actions based upon such information, we encourage you to consult with the appropriate professionals. We do not provide any kind of auto repair advice.
THE USE OR RELIANCE OF ANY INFORMATION CONTAINED ON THE CHANNEL IS SOLELY AT YOUR OWN RISK.