peterbilt 579 Kenworth T680 front vent heater no working a/c works no hot air

WARNING!!: ⚠️⚠️⚠️ Always use the proper tools and safety equipment to perform this job. Failure to perform the job correctly can result in personal injury or vehicle damage. Don't do this job if you think you don't have the experience or the equipment to do this job correctly. REMEMBER SAFETY FIRST! Warning!!! ⚠️⚠️⚠️ This video is just a demonstration of the labor to do to perform this job, the results may vary. Also, the damage found can be greater that expected and it can result in a massive engine failure. This video contains advance technician information. keyworks freightliner kenworth peterbilt international volvo mack western star cascadia coronado t660 t680 t700 579 389 379 589 vnl vn cummins isx cummins isx15 cummins n14 cummins m11 cummins isb cummins isb DD15 DD13 DD16 Series 60 caterpillar C15 3406 C13 OM 460 OM471 OM472 OM473 mercedes benz atros DD13 DD15 DD16 60 series class 8 truck tractor Topics discussed: why my heater does not work how to clean a heater core what to looks when your heater does not work symptoms of the fault are: heater not working Tools need: --- Parts needed --- Shop talk: kenworth and peterbilt use a bypass valve in the front and rear heater core. this prevent over pressure to the core but also creates a problem when the heater core get to dirty. Thank you for watching Francisco Amaya YouTube channel FOLLOW my channel to get more informative videos and use the comment section to share opinions. Also, check my community section of my channel and be part of the surveys and questions about my channel so I can guide my videos in the right direction to give you the best information. ______________________________________________ Now acceping support and donation to my channel. accepting: personal check, business check, money orders, gift cards, gifts, tools, shop articles, etc,.. send your checks or money orders payable to Francisco Amaya send your support and donation to: Francisco Amaya Via PAYPAL https://www.paypal.com/cgi-bin/webscr... (remember to add your address at PayPal donation) OR CASHAPP https://cash.app/$FranciscoAmayaYT Follow me on Facebook https://www.facebook.com/profile.php?... Follow me on Instagram   / francisco_amaya_youtube_   Check my channel for more videos and information.    / @franciscoamayayt   Check my other YouTube channel I.E. euros    / @ieeuros   Question!? Email me [email protected] ______________________________________________ ______________________________________________ #franciscoamaya