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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

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Old 06-06-2003, 11:44 PM
buddy buddy is offline
 
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Has anyone noticed the roar that comes when the fan clutch engages. It seems like my clutch fan doesn't want to disengage as rpm's increase.
At high rpm's the clutch will finally disengage and everything is fine until you stop and accelerate again. I've replaced fan clutches before, but usually on high mileage vehicles.
I have no overheating problems, temps always at 210. Manual says that's normal operating temp..I would perfer 180.

What you think? Normal for this vehicle with higher coolant temps? Clutch fan going bad?

Buddy
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Old 06-06-2003, 11:44 PM
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Has anyone noticed the roar that comes when the fan clutch engages. It seems like my clutch fan doesn't want to disengage as rpm's increase.
At high rpm's the clutch will finally disengage and everything is fine until you stop and accelerate again. I've replaced fan clutches before, but usually on high mileage vehicles.
I have no overheating problems, temps always at 210. Manual says that's normal operating temp..I would perfer 180.

What you think? Normal for this vehicle with higher coolant temps? Clutch fan going bad?

Buddy
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Old 06-07-2003, 12:15 AM
TBarrow TBarrow is offline
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Watch your guage as I was told it was not a sweep hand. It will move stop and then move again and rest at 210. The fan is loud until you get moving good and the clutch lets go.

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Old 06-07-2003, 01:09 PM
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Buddy...

Sounds normal for the H2. I have noticed more fan noise than usual on mine also. Since the weather has warmed up it runs alot more and stay on longer than it did during cooler temps.

The H2 has a pretty tight engine compartment which will contribute to the fan running longer, also no air dams under the H2 to create a negative pressure to help pull the air through and exit out underneath the vehicle.

Don
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  #5  
Old 06-07-2003, 04:02 PM
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Thanks for the replies. I was hoping it was the weather and/or design of the H2 and not the fan clutch. As long as it's the norm, I'm okay with that.

Buddy
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