In this video we look at a 2004 Toyota Sienna that the Customer States that it has no heat and the check engine light is on. We'll first take you on a typical day of the automotive repair world of getting a car with a concern, diagnosing it and fixing it but then also verifying the repair. The thermostat on the 3MZ engine is a DIY job to replace and so is the starter. This video serves as a guide for both. TCCN Automotive Inc. Toyota and Lexus Specialist Repair Visit www.tccnautomotive.com to schedule your appointment today. Check out the second channel : https://www.youtube.com/channel/UCUPPMkXFBPr-TAAE-CV9Jlg Recommended Tools: Basic Scan Tool https://amzn.to/3Jm6aom Very good DIY Scan Tool https://amzn.to/3zF7dvH Advanced Scan tool https://amzn.to/3q3L3QQ Spill Free Coolant Replacement Funnel https://amzn.to/3uJfKxm Sun roof drain cleaning tool https://amzn.to/3GMDlQ9 Good DIY Torque Wrench 1/2" https://amzn.to/3gE9bnw Wireless Apple CarPlay for Toyota\Lexus https://amzn.to/3uKElSo Very Good Triple Camera Borescope https://amzn.to/3MrgFs0 *as an Amazon associate, I earn from qualifying purchases. Follow the channel on Social Media : http://www.facebook.com/thecarcarenut http://www.instagram.com/thecarcarenut Check out the channel Merch store https://www.youtube.com/channel/UCEKt2bUDBoRUw3wpPpDOUaA/store Support the channel on Patreon: http://www.patreon.com/thecarcarenut Make a one time donation to the channel: http://www.paypal.me/CCNdonate Check out the amazon store: http://www.amazon.com/shop/thecarcarenut *as an Amazon associate, I earn from qualifying purchases. #thecarcarenut #tccnautomotive #toyota #lexus 0:00 Intro 1:03 Diagnosis 11:40 Preparation and Car Inspection 19:07 Removal of Thermostat 27:25 Important Thermostat Install Information 31:18 Installation 41:11 Verification of Repair 42:10 Toyota Thermostat Information