Jeep Tj Fan Clutch Test

See how many times it spins after you shut off the engine. If the fan clutch requires repair take the vehicle to a qualified mechanic. For more information about how to test a fan clutch such as other signs to look for which indicate damage read on.

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Fan clutch types.

Jeep tj fan clutch test.

A small amount of resistance always keeps the fan spinning but it s basically free wheeling until the fan clutch engages. To test whether or not your fan clutch needs to be replaced simply spin your jeep s fan by hand while the engine is cold and if it spins freely 5 rotations or more it will need to be replaced yes to your first question it operates when the engine is cold. To test whether or not your fan clutch needs to be replaced simply spin your jeep s fan by hand while the engine is cold and if it spins freely 5 rotations or more it will need to be replaced. Fortunately this is a very easy task to do but like any job the right tools can make all the difference.

Fan clutch test technical forum. Worth replacing that piece rather then a head gasket. Fan noise or an excessive roar will generally occur continuously however under all high engine speed conditions 2500 rpm and up if the clutch assembly is locked up due to an internal failure. If it spins more than three full rotations this indicates that it may be prone to slipping.

If the fan cannot be rotated by hand or if there is a rough grating feel as the fan is turned the clutch should be replaced. Then test the fan clutch by giving it a good push. I replaced mine because of overheating. Technical forum the main forum for jeep related discussions.

Turn your jeep on then turn it off. If it spins about 8 times after you turn it off you might want to look into getting another fan clutch. There are three types of fan clutch depending on the vehicle s design. When the fan clutch engages it spins up greatly increasing air flow through the radiator and over the engine.