Should I replace fan clutch when replacing water pump? A bad water pump bearing will usually cause the water pump to leak and/or make noise, but not always. Remove the fan clutch and see if the play is in the water pump shaft. If it feels tight (no play or wobble), replace the fan clutch.
What can a bad fan clutch cause?
A stuck fan clutch will cause excessive, unnecessary drag on the engine, which can cause a drop in power, acceleration, and fuel efficiency, sometimes to a quite noticeable degree. As the fan clutch is one of the main cooling system components, it is very important to the proper operation of the engine.
How can you tell if the fan clutch is bad?
To confirm the diagnosis, start with this simple test: Spin the fan as hard as you can on an engine that has not been started that day. 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.
Do I need a new 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.
How do I know when my clutch needs replacing?
Related advise for Should I Replace Fan Clutch When Replacing Water Pump?
What happens when water pump fails?
When the water pump fails completely, it will not be able to circulate coolant through the engine block. This results in an overheating situation and if not repaired or replaced quickly, can cause additional engine damage like cracked cylinder heads, pushed head gaskets, or burnt pistons.
How do I fix my fan clutch?
What oil goes in a fan clutch?
Fan clutch oil is a high viscous silicone oil with its characteristics of clear color, odorless, non-toxic and non-irritating.
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.