Hybrid Vehicle Systems
Toyota Hot Coolant Storage Tank System
 ljhigiugi
The 2004 Prius introduced a "Hot Engine Coolant Storage System" that stores hot engine coolant in a vacuum canister for preheating the engine on start-up. This system’s ‘preheating’ of the engine greatly reduces emissions when the vehicle is 1st started.
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Coolant Storage Tank
The ’04 Prius Coolant Heat Storage Tank is a double walled vacuum insulated canister. It is located within the front left fender can and store hot coolant at 176 degrees Fahrenheit for up to three days. When starting a cold engine, the system uses an auxiliary water pump to force the hot coolant into the engine and upon shutdown the system refills the coolant storage tank with hot engine coolant.
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Toyota Highlander High Voltage Battery Pack
Toyota Highlander High Voltage Battery Pack
Currently all Toyota high voltage hybrid battery systems utilize a sealed nickel-metal hydride (Ni-MH) battery. These batteries are used in most all hybrid vehicles because they provides high power density, excellent longevity, and are safe and affordable.Highlander Hybrid High Voltage Battery Pack (shown above) Specifications:
• 1.2-volt cells in banks of 8 x 30 modules = 288.0 volts
• Raw battery weight: 100 lbs
• Complete battery assembly weight: 152 lbs.
• 1.2-volt cells in banks of 8 x 30 modules = 288.0 volts
• Raw battery weight: 100 lbs
• Complete battery assembly weight: 152 lbs.