The Jeep Wrangler 4xe Two-Motor Hybrid System

Video Description

Join me as I explore the Jeep 4xe two-motor Parallel Hybrid Powertrain system, which is used in the Wrangler and Grand Cherokee. Explore the components involved and their functions. CORRECTIONS: 1. In EV mode, the transmission only uses first through fourth gears, not all eight gears. 2. The engine is started by the P0 generator and rev-matched to the P2 motor before engaging the engine disconnect clutch. TIMELINE: 0:00 Introduction 0:20 Front Motor/Generator (P0) 1:13 Parallel Hybrid Configurations 1:35 Rear Motor/Generator (P2) 2:12 Additional 8P75PH Transmission Components 2:45 Dual Mass Flywheel and Torsional Damper 3:22 Rear Motor Stator behind the front cover 3:55 Rear Motor Stator 4:57 Engine Disconnect Clutch (K0) 5:52 Input Shaft 6:41 Mechanical powerflow through the system 9:00 Four Modes of Operation: Mode One - Electric Vehicle Mode 10:00 Mode Two - Series Hybrid Mode 10:45 Mode Three - Parallel Hybrid Mode with massive torque delivery 12:14 Mode Four -Engine Idling Mode 12:55 There is no 12-volt starter motor - How the engine starts 14:00 There is no torque converter; instead, it uses an Integrated Launch Element (ILE). 15:50 Small transmission cooler 16:47 The B-Clutch / ILE Clutch 19:10 Summary and educational opportunities ABOUT US Weber State University (WSU) Davis Campus - Automotive Technology Department - Hybrid and Electric Vehicles Lab. We teach current vehicle technologies to our automotive students at Weber State University and online. For more information, visit: https://www.weber.edu/automotive This video was created and edited by Professor John D. Kelly at WSU. For a full biography, see https://www.weber.edu/automotive/J_Kelly.html ADDITIONAL TRAINING FOR YOU Join us for hybrid and electric vehicle training with two online courses and a 5-day on-campus boot camp with Professor John D. Kelly. See https://www.weber.edu/evtraining DONATE TO OUR DEPARTMENT Please consider a donation in my name to the Department of Automotive Technology at Weber State University here: https://advancement.weber.edu/Automotive