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Vehicle Suitability
For Buick Rainier 2004-2007
For Chevrolet Ssr 2003-2004 V8 5.3L
For Chevrolet Ssr 2005-2006 V8 6.0L
For Chevrolet Trailblazer 2002-2009
For Chevrolet Trailblazer EXT 2002-2006
For GMC Envoy 2002-2009
For GMC Envoy XL 2002-2006
For GMC Envoy XUV 2004-2005
For Isuzu Ascender 2003-2008
For Oldsmobile Bravada 2002-2004; For Saab 9-7x 2005-2007
How to Detect a Faulty Fan Clutch?
- Fan spins excessively when engine is stopped.
- Poor A/C performance at idle or low vehicle speeds.
- Fan speed does not increase when engine is hot.
- Fan speed does not increase until engine is excessively hot.
- Fan blade tip moves more than 1/4” front to back.
- Fan turns roughly or does not turn at all.
- Excessive fan noise at all speeds due to failed bearing.
- Vibration that increases with engine speed.
What is a Fan Clutch?
A fan clutch is a thermostatic engine cooling fan that can freewheel at low temperatures when cooling is not needed, allowing the engine to warm up faster, relieving unnecessary load on the engine. As temperatures increase, the clutch engages so that the fan is driven by engine power and moves air to cool the engine.
Most fan clutches are viscous or "fluid" couplings, combined with a bi-metallic sensory system similar to that in a thermostat. Some clutches are electronically controlled (instead of bi-metallic strip). These provide the potential to control the level of engagement depending on any number of inputs. Common controlling factors might include engine oil temperature, transmission oil temperature, coolant temperature, AC system pressures and ambient air temperature.
Sassy NaNa
Reviewed in the United States on July 28, 2024
This fan clutch installed, seamed to work when engine starts but shuts down right away (as it should) but even after a start signal from original and new purchased, UPDATED PCM, fails to turn on. all other system components checked and many replace (just for good measure) as a new fan clutch couldn't be defective..right, even a bi-directional test scan tool (just purchased $ 200,) could not turn it on. Test light bulb in circuit shows perfect signal to fan clutch, I don't even know If I would trust getting another one from this mfg, It does have a 1 year warranty, but changing this is not an easy task, if the second one doesn't work also. I Don't recommend this brand from my experience.
mike furtak
Reviewed in the United States on May 19, 2024
got it fast but it was faulty
Jonathan M
Reviewed in the United States on February 27, 2024
Works good. Made the check engine light go away.
Carlos Salas
Reviewed in the United States on November 13, 2024
Excelente servicio
Brad E. Elliott
Reviewed in the United States on October 28, 2024
Great quality perfect fit
duck
Reviewed in the United States on September 28, 2023
been using it for over 3 months and it's running great no problems
willie
Reviewed in the United States on February 23, 2023
Repaired my 2002 car
Midlandtx
Reviewed in the United States on January 27, 2023
Came on time good value
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