Coolant Archives - Import Car
Auxiliary Coolant Pumps

Don’t be fooled into thinking that these pumps will go away with the surge in hybrid and electric vehicle production.

European Engine Coolant Specifications

With internal combustion engine technology changing, it might take three different coolants to service one European vehicle.

AUDI ECT Gauge Pegged Hot

This 2016 Audi A3 Quattro Sedan repair case is courtesy of

Upgraded Coolant Hose for BMW V8s

Upgraded hose assemblies were developed with input and feedback from BMW service experts.

VIDEO: Why The Color Of Your Coolant Matters

Coolant chemistry has changed for many reasons. This video is sponsored by Auto Value and Bumper to Bumper.

Import Coolant Confusion

All-season coolant used inorganic acid technology and worked great for almost 30 years.

VIDEO: Water Pump Weep Hole Drains Are Moving

Andrew Markel covers how the drain for some water pump weep holes is moving to the block or front cover on some engines. Sponsored by Auto Value and Bumper to Bumper.

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. Sponsored by Nissan.

VIDEO: Thermostats Only Fail In The Best Way Possible

Andrew Markel discusses the importance of engine cooling, especially after the failure of a thermostat. Sponsored by INA.

VIDEO: Coolant Scale Buildup On Cooling System Components

Andrew Markel explains how dried out coolant can break down and cause scale in certain components of the cooling system. Sponsored by MAHLE.

Modern Cooling System Design: It’s Not About Temperature; It’s About Powertrain

Reading engineering papers tends to be a boring exercise, but they do give a technician like myself a new perspective on how a common automotive cooling system could actually be improved. Of course, our immediate thought is how the cooling system can keep the engine cooler. Not so, according to one paper.

Prestone Launches All-New Antifreeze/Coolant Options Specially Developed For Import Car Makes

Prestone Products Corporation recently announced a new line of antifreeze products tailor-made for Asian and European cars. The unique formulas are designed specifically for these particular makes to give vehicle owners the confidence that comes with using a Prestone-branded product, said the company.