How much play should a fan clutch have?
How much play should a fan clutch have?
It should be close to zero play. That amount of wobble is going to take out your water pump pretty quick.
How does a fan clutch work on a Chevy?
How to Test a Fan Clutch on a Chevrolet. A fan clutch is the assembly that your engine cooling fan rides on and that tells the fan when to turn on and off. 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.
How can I check if my fan clutch is working?
Grab the fan assembly with your hands and move it back and forth. If the clutch or fan have excessive play, remove the fan and clutch and check if the water pump shaft — where the fan-clutch assembly mounts — displays excessive play. If the water pump shaft checks OK, replace the fan clutch.
What are the different types of fan clutches?
Types of Fan Clutches. The main types are non-thermal, thermal, and electronic — all of which use a silicone fluid to engage and disengage your fan. Non-thermal clutches operate solely based on the shaft speed of the water pump. At low and idling speeds, the clutch allows the fan blade to turn at almost a 1:1 ratio.
Is there a case study for a bad fan clutch?
Although this is a case study of a 2003 Chevy Express Van (with a 6.0L) that belongs to a buddy of mine (Oscar), you can apply the testing tips and info to any thermal fan clutch equipped vehicle. So, whether you’re driving a GM 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, or any Ford, Chrysler vehicle, etc., this info will help you.
How to Test a Fan Clutch on a Chevrolet. A fan clutch is the assembly that your engine cooling fan rides on and that tells the fan when to turn on and off. 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.
Can a fan clutch be replaced on a Vortec?
Replacing a failing cooling fan clutch on your 2003 Chevy Vortec 5.3-liter V8 engine is a simple repair that can prevent your vehicle from overheating and help improve gas mileage.
When do you know you have a bad fan clutch?
Reach in and spin the fan blade by hand. If it continues to spin freely for more than five turns with no signs of drag, you have a bad fan clutch. Start the engine and look down at the fan. The fan should be still or barely revolving until the engine warms up. When the fan begins to turn at engine speed, move to Step 4.
Types of Fan Clutches. The main types are non-thermal, thermal, and electronic — all of which use a silicone fluid to engage and disengage your fan. Non-thermal clutches operate solely based on the shaft speed of the water pump. At low and idling speeds, the clutch allows the fan blade to turn at almost a 1:1 ratio.