Rick's Free Auto Repair Advice

Posts Tagged: Dex-Cool

What is Dex-Cool coolant?

Dex-Cool® coolant Dex-Cool coolant is a registered trademark for a coolant used in GM vehicles. Dex-Cool coolant is based on an organic acid technology that provides longer life than traditional silicate based formulas. In addition to providing protection against freezing, Dex-Cool provides anti-corrosion and anti-foaming additives to prevent galvanic action and corrosion from forming in a vehicle’s cooling system. Is Dex-Cool bad? GM switched over to Dex-Cool in their engines and shortly thereafter, the intake manifold gaskets in those same GM vehicles failed at an astounding rate. Class action lawsuits … Read More

Pushrod remover tool

Pushrod remover tool If you’re working on the intake manifold gaskets on a GM 3.1 or 3.4-liter engine, you’ll have to remove the push rods in order to remove the intake manifold. The traditional way to do that is to loosen all the rocker arms first. Then you have to go through the whole procedure of tightening them down again. This tool saves you ALL that time. Just install the tool on the rocker arm and slowly compress the valve. Pull out the push rod and SLOWLY release the rocker … Read More

Water pump leak

Water pump leak Stop water pump leaks by using only the factory antifreeze For decades we all used the green coolant. It worked well as long as we changed it at least once every 2 years or 24,000 miles. The ethylene glycol helped dissipate heat better than water alone, and it prevented freezing in the winter. It also had some really important additives. First, it contained a water pump lubricant to keep the two rotating carbon seals inside the water running smoothly. The coolant was also loaded with silicates. The … Read More


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