1981 Cadillac DeVille Cooling and Heating Parts

How does a cooling system work? Why is your engine overheating? What parts should you be giving your attention to? This guide answers all your questions.

Learn the basic function of a torque converter along with alternative ways to cool your Chevy transmission.

Shortcuts don't always pay off. Zach Raddatz walk us through his experience with a cheap radiator so we don't make the same mistake!

In this Tech Tip, John offers some guidance to a customer looking to cool his 1946 Ford Sedan.

See how to properly install a DeWitt's Direct Fit radiator in a 66-67 Chevelle. Learn the benefits of Black Ice coating on this radiator including optimal heat transfer.

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

In this guide, Kevin demonstrates how to properly install an external oil cooler in his '54 Chevy Belair with a Big Block Chevy engine.

Follow this guide on how to mount a single electric puller fan in a '66 - '67 Chevelle. Learn tips on taking measurements and installing a rubber spacer to prevent the fan from rubbing.

Learn how to assemble a Gotta Show transmission cooler line kit for common GM transmissions. Jeff shares some helpful tips on measuring and cutting the braided stainless steel hose for an easier installation.

Warranty information for DeWitts aluminum radiators.