Coolant Archives - Page 2 of 3 - Tomorrows Technician
Understanding Functional Fluids

Functional fluids come in many forms, and each one has very specific properties and applications.

Cavitation: Killer Of Water Pumps

The condition of the coolant has a direct relationship to cavitation in pumps.

Keeping An Eye On Cooling Systems

OEMs are carefully scrutinizing and squeezing every engine component for maximum efficiency.

R-1234yf Safety Procedure Checklist

Play it safe when using R-1234yf with Specific Safety Procedures.

VIDEO: Use Coolant Color To Check Service History

Andrew Markel discusses Nissan’s blue coolant in their modern vehicles, and how to use coolant color to determine the coolant’s previous service history.

VIDEO: Internal Hose Degradation From Coolant

Andrew Markel discusses coolant hoses, and how electricity flowing through the coolant can lead to the inner hose liner breaking down and failing.

VIDEO: Gasket And Fluid Compatibility

Andrew Markel discusses how gasket life can be maximized by using fluids that are compatible with it without early degradation.

VIDEO: Why Are There Certain Coolants For Certain Vehicles?

Andrew Markel explains how coolant is not meant to be mixed or switched. There are certain coolants for certain vehicles that must be used for long engine and gasket life.

VIDEO: Factory Fill On Older Vehicles

Andrew Markel discusses the importance of factory fill, and why fluid specifications change after a car rolls off the line.

VIDEO: Avoid Water Pump Damage With The Correct Coolant Mix

Adam Redling explains the importance of properly mixing coolant and water to avoid damage to the water pump.

VIDEO: Three Steps To Diagnose A Poor Heater Performance Complaint

A poor heater performance complaint from a car or truck owner can be caused by low coolant, a blocked heater core or an open thermostat. Andrew Markel discusses the diagnostic strategies for solving a cold driver complaint.

Cool Under Pressure: Choosing The Correct Coolant For The Job

Modern coolants, in their many colors and compositions, have helped extend the service intervals and replacement schedules of cooling system components. Driven in part by the OEMs longer powertrain warranty, many components are engineered to last beyond this “magic number,” sometimes up to 100,000 miles.