Table of Contents
How often do fan clutches go bad?
If the fan rotates more than five times, you can bet the clutch is bad. You should feel some resistance and the fan may spin up to three times, depending on the ambient temperature. But even if it rotates three or fewer times the clutch could still be bad.
When should I replace my fan clutch?
According to Hayden, here are some signs your fan clutch might need replaced: Fan spins excessively when engine is stopped (three or more times when hot engine is shut off). Poor A/C performance at idle or low vehicle speeds. Fan speed does not increase when engine is hot.
What are the symptoms of a bad fan clutch?
How to Tell If Your Fan Clutch Is Going Bad? Vehicle overheating. An overheating engine is often the first symptom that is commonly associated with a bad or failing fan clutch. Loose and Wobbling Fan. Excessively loud cooling fans. A decrease in acceleration, power & fuel efficiency.
Do fan clutches wear out?
The fan clutch ensures that your engine is cooled when it needs to be, and prevents it from overheating. While this fan doesn’t have a set lifespan, it’s important to be aware of the warning signs should it start to fail. This is a part you’ll need to fix/replace as soon as possible once it gives out.
How much does it cost to replace a fan clutch?
The average for Clutch Fan is $310 Repair Type Zip Cost Clutch Fan 98027 $179 Clutch Fan 7767 $352 Clutch Fan 75097 $391 Clutch Fan 11593 $331.
Can you drive with a bad fan clutch?
A failing fan clutch can actually cause the engine fan to become loose and wobble. Sometimes this wobble can be heard while driving, especially at freeway speeds. You can turn on your car’s engine while the vehicle is in park or neutral, pop the hood, and see for yourself that the fan is wobbling as it spins.
How important is a fan clutch?
The fan clutch serves an important role in the engine’s cooling system. It engages the fan when the engine becomes too hot and disengages the fan when the engine is cool or at a normal temperature. The fan clutch operates the most in warmer weather and at low vehicle speeds.
Is an electric fan better than a clutch fan?
When compared to an electric fan, fan clutches are quite inefficient. The benefits of a Thermatic Fan lay in its ability to provide constant air flow, improved fuel economy, better air-conditioning performance, cooler engine running and increased engine power.
Can a fan clutch making noise?
A roaring noise could mean a number of things, including a bad wheel bearing, worn tires, or a differential that’s low on oil. Often times, it’s the fan clutch. When the clutch shoe inside the part gets stuck, it fails to disengage. This causes the roaring noise.
Will a bad fan clutch affect AC?
Absolutely, a bad one can damage your air conditioning system, as it acts as a heat exchanger for the air conditioning unit. The engine fan keeps the condenser cool which helps to keep the convertible’s AC system running smoothly.
What causes a fan clutch to fail?
This can be caused by low system air pressure or an air leak in the system, or in the clutch itself. The fan clutch needs a minimum of 90 PSI air pressure to function properly. Repair any leaks as needed. Also, check for worn sheave bearings.
Do you need to replace fan clutch when replacing water pump?
WHEN AND HOW TO REPLACE YOUR FAN CLUTCH Many experts say it is a good idea to replace the fan clutch at the same time as the water pump if the water pump has failed. The reason is because both age at about the same rate, so if the water pump has failed, the fan clutch may also fail soon.
How do you install a fan clutch?
Part 1 of 1: Replacing your fan clutch Materials Needed. Step 1: Checking your fan clutch for problems. Step 2: Remove the fan shroud. Step 3: Remove the fan. Step 4: Rock from side to side. Step 5: Remove the bolts. Step 6: Install the new fan clutch. Step 7: Tighten the bolts.
Should a fan clutch spin freely when cold?
A fan clutch is a thermostatic motor conditioning fan that may freewheel at low temp when cooling isn’t required, enabling the engine to heat up quicker and reducing engine load.
What controls the fan clutch?
A thermal clutch fan operates using silicon fluid as a viscous coupling medium. As your engine heats up, the thermal spring on the front of the clutch expands, which opens a valve allowing the silicon fluid to drive your clutch at an increased RPM.
Do automatic cars have a clutch fan?
OEM ///PLUS. there’s a few oddball variations in early years but the general fitment is automatics get the mechanical fan clutch.
Can you run a clutch fan and electric fan?
You can run both but 2 won’t cool it any better.
How much horsepower does a fan clutch use?
A single large mechanical fan is a slave to engine speed, and can consume as much as 40 horsepower from the engine using outdated technology.
What temp should my electric fan turn on?
Your radiator fan should kick in at about 200 degrees Fahrenheit. If you notice your vehicle is overheating or at the very least running hotter than it normally does, listen for the fan to see if you can hear it.
What does a broken fan clutch sound like?
Another common symptom of a faulty fan clutch is excessively loud cooling fans. This may result in an excessively loud engine from the fan blowing at full speed. The sound may be easily audible and present at all times when the engine is cold and hot.
Can you lubricate a fan clutch?
Fan Clutch The bearings that support the drive shaft for this clutch regularly experience high temperatures. Krytox™ lubricants have low volatility and high viscosity, providing long life and excellent lubrication to the fan clutch bearing under these high temperature conditions.
