The 2017 Chrysler Pacifica Si-EVT Hybrid Transaxle - Deep Dive

Video timeline:
0:00 Introduction
0:48 Single Input (Si) components
2:44 Two motors can propel the vehicle
4:20 One way Sprag clutch support
5:05 One way Sprag clutch components
11:20 Power Split Device (PSD) planet carrier
11:55 Motor A and the PSD sun gear
12:23 PSD ring gear
13:05 Torque limiting clutch components
18:29 Torque limiting clutch operation
21:04 MUST SEE: How the engine is prevented from spinning backward
22:26 Electronic Variable Transaxle (EVT) portion of the transaxle
25:00 Counter drive gear
26:05 Final drive differential
26:35 Mechanical oil pump drive gear
27:45 Counter driven gear (transfer gear)
28:18 Parking gear
28:48 Motor B (Traction Motor)
29:25 Parking pawl and linkage
30:00MUST SEE: How Park is obtained
30:4 PSD installation
32.36 Motor A (Generator/Starter/Motor)
33:14 Parallel Axis Power flow
38:08 MUST SEE: EV Mode - How Motor A can help Motor B propel the vehicle
40:00 MUST SEE: Hybrid Mode - Power Split operation
41:50 Motor resolvers (position sensors)
43:54 Motor A Stator
45:07 Rear case half
45:23 Fluid level check
46:02 Fluid type
48:39 Inside the rear case half
48:39 Gear-driven Gerotor oil pump and filter
51:34 3-phase auxiliary electric trochoid oil pump
54:34 The fluid heat exchanger
57:25 Stator A cooling
59:09 Stator B cooling
1:01:26 Resolver installations
1:03:43 Internal harness installation
1:05:32 High Voltage pass-through connectors
1:06:53 Oil pump removal
1:07:32 Stator A installation
1:08:32 Stator B installation
1:09:20 Temperature sensor connections
1:10:12 Counter driven gear bearing support fixture
1:12:30 Power inverter module (PIM) (pre-production) information
1:14:43 PIM installation
1:17:48 Park pawl actuator installation
1:18:45 Final summary

The 2017 Chrysler Pacifica Si-EVT Hybrid Transaxle - A Deep Dive into the components, service, and operation of the Chrysler Single Input Electronic Variable Transaxle (Si-EVT) transaxle.

This video helps cover content related to the 2017 National Automotive Technicians Education Foundation (NATEF) Master Automobile Service Technology (MAST) Standard task 2.C.5 - Describe the operational characteristics of a hybrid vehicle drive train.

Weber State University (WSU) - Department of Automotive Technology - Transmission Lab.

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Visit the following website for information on how to attend our school and obtain an associate's degree or bachelor's degree in automotive technology.

http://www.weber.edu/automotive

This video was created and edited by Professor John D. Kelly at WSU. For a full biography, see http://www.weber.edu/automotive/J_Kelly.html

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