Fan Clutch Test

And if you are unsure whether the fan clutch is the culprit or something else is to be blamed for the niggles that your car is showing here are a few tell tale signs that the fan clutch may need to be replaced.

Nick avocado only fan. A small amount of resistance always keeps the fan spinning but its basically free wheeling until the fan clutch engages. When the fan clutch engages it spins up greatly increasing air flow through the radiator and over the engine. A central core which locks and unlocks based on the temperature allows the fan to spin with the engine crankshaft or freewheel on its own.

Test the fluid coupling fan clutch visually with the engine running. Then test the fan clutch by giving it a good push. Fan clutch test first lets discuss what the fan clutch does and why it is there.

Have an assistant rev up the engine. For more information about how to test a fan clutch such as other signs to look for which indicate damage read on. The fan clutch is a thermostatic control that operates the radiator fan independent of engine speed.

This type of fan is designed to slip at high engine speeds. If the fan clutch requires repair take the vehicle to a qualified mechanic. If it spins more than three full rotations this indicates that it may be prone to slipping.

At high speeds you should see the fan slowing down or stopping. The fan clutch is an important part of your vehicles engine cooling system. Fan clutch types.

Replacing your fan clutch can improve your ac system and keep the engine cooler. The first sign of a fan clutch stuck in the permanently engaged position is a fan that never shuts off. If your fan clutch fails to engage the engine can overheat.

The fan clutch is just what the name says it is a mechanism that will clutch the fan on and off depending on the need for more or less cooling air to flow thru the radiator. It increases or decreases airflow over the radiator depending on how much cooling is needed. A fan clutch is the assembly that your engine cooling fan rides on and that tells the fan when to turn on and off.

Joined mar 17 2006 226 posts. This video demonstrates the typical characteristics of a bad fan clutch. Is there an easy way to test the fan clutch.

It is a thermostatically controlled device that when. A faulty fan clutch can be one of the most debilitating conditions for the vehicle especially in summer. A bad fan clutch can leave you without an operational fan.