Hybrid Cooling System Components

00:00 Presentation
2:28 Crankshaft harmonic balancer
2:56 Water pump for electric motor
3:24 Thermostat
4:19 Exhaust gas recirculation (EGR) system cooler
5:01 EGR valve
5:36 Throttle heating
6:22 Engine coolant reservoir
6:26 Engine coolant reservoir air bleed plug
6:51 Inverter with converter coolant passage connections
7:35 a.m. P610 Hybrid Transaxle Fluid Heat Exchanger
8:09 Electric air conditioning (A/C) compressor
8:39 Air conditioning condenser and receiver dryer
8:53 Cylinder head coolant outlet connection
9:09 Engine block coolant inlet connection
10:24 a.m. Vehicle approaching Loudspeaker
12:38 Grille shutter system
16:53 One-piece three-way catalytic converter
5:30 p.m. Second three-way catalytic converter
5:40 p.m. Exhaust gas heat recirculation system
5:45 p.m. Sub-silent
5:55 p.m. Components and operation of the exhaust gas heat recirculation system
9:30 p.m. Silencer and pressure valve
23:11 Two-section radiator
24h00 Two drain plugs
24h30 6 hose connections
26:18 Two-speed fans with series-parallel operation
27:30 Electric inverter water pump
28:39 Inverter coolant reservoir
29:22 Additional pipe connections
31:28 Examination of all radiator components and coolant paths
32:56 Three parallel paths of engine coolant
34:06 Coolant filling and bleeding procedures
34:56 Recommended coolants
36h00 Video review

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 http://www.weber.edu/evtraining for more information.

Hybrid and EV cooling systems

Weber State University (WSU) – Department of Automotive Technology – Ardell Brown Technology Wing – Transmission Laboratory.

This episode covers the engine, inverter, and transmission cooling systems found on most hybrid, plug-in hybrid, and electric vehicles. The cooling system covered in this video is from a 2017 Toyota Prius Eco, but the components and operation will be similar to any other hybrid or electric vehicle (minus engine cooling).

This video covers content related to the 2017 National Automotive Technicians Education Foundation (NATEF) Master Automobile Service Technology (MAST) Standard Task 1.A.9 / “Identify Service Precautions Related to Combustion Engine Servicing internal of a hybrid vehicle./ "

This subject is taught as part of our 4-year bachelor's degree program. For more information about the Weber Automotive program, visit: http://www.weber.edu/automotive

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

Donate to the Weber State University Department of Automotive Technology here: http://advancement.weber.edu/Automotive

Questions:
1. How to change the water pump drive belt?
2. Where is the engine thermostat located?
3. EGR valves have been used for years, why is the EGR valve in this video liquid cooled?
4. Why is the throttle valve heated?
5. What unique part is on the engine coolant tank/reservoir?
6. How is transaxle fluid cooled?
7. What is unique about the air conditioning compressor shown in the video?
8. How many trouble codes can be set for the grille shutter system?
9. Describe the operation of the exhaust gas heat recirculation system?
10. How many separate sections are there in the radiator?
11. What is the purpose of the electric water pump located at the bottom of the fan shroud?
12. Describe the three parallel paths of the coolant in the cooling system shown in the video:
13. What is the procedure for bleeding air from the inverter cooling system?
14. What is the procedure for bleeding air from the engine cooling system?
15. What coolant is recommended for vehicle cooling systems in the video?

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