Modern Cooling System Diagnostics: Pumps, Fans and Thermostats - UnderhoodService

Modern Cooling System Diagnostics: Pumps, Fans and Thermostats


  • Andrew Markel, Director of Technical Content, ShopOwner

Sponsored By Carter Fuel Systems

Date: July 28, 2022

All modern engines need a specific air/fuel ratio for efficient operation. But the mixture of air and fuel must be at the correct temperature inside the combustion chamber. If a cylinder is too cold, it will require extra fuel. Conversely, if a cylinder is too hot, the fuel and air could combust prematurely or produce less power. Controlling the temperature is the responsibility of the water pump, thermostat and fans. In a 45-minute webinar, experts from Carter will cover how a cooling system regulates the temperature in the combustion chamber to achieve optimal combustion events.

Questions to be answered:

  • How is the speed of the water pump (electric and engine-driven) controlled?
  • What are the most common errors technicians make during water pump installation that impacts the operation?
  • How do you troubleshoot an overheating problem on a modern engine?
    Is pressure still a good tool for cooling system diagnostics?
  • How does coolant transfer heat, prevent corrosion and lubricate the water pump

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