How do you test a fan clutch on a Ford?
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.
What size is the fan clutch nut on a 6.0 Powerstroke?
36mm Heavy Duty Fan Clutch Wrench This specialty fan clutch wrench is the most ppular size for use on 36mm fan clutch assembly attaching nuts found on many engines.
What are common problems with the 6.0 Powerstroke?
Head studs provide inadequate clamping force so blown head gaskets are common. Other 6.0L Powerstroke problems include HPOP failure, injector stiction, FICM failure, and clogging oil coolers. Fortunately, once these problems are addressed, the trucks are much more reliable. Some of these problems can be avoided.
What size is the nut on a Duramax fan clutch?
The nut is 47mm or 1-7/8″ which ever you prefer.
How do you tell if a fan clutch is bad?
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.
Should a fan clutch spin freely when it’s cold?
The Fan Can Move Freely When the clutch is cold, the fan can be moved by hand, but it cannot be spun up. There’s enough resistance in the system to allow you to move the fan, but keep it from spooling up when hit by air pressure.
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.