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95 S_Trucker · 05-28-2014, 04:59 PM

I would replace the fan clutch with a stock replacement. There is a chance the fan clutch has failed(it is 18 years old). I would look for a GM piece. If you buy a cheap aftermarket one, it will probably make more noise than the one you have now.

What kind of fuel mileage are you getting? I wouldn't expect anything better than 12 mpg.

And, your mileage will suffer when you put in a cooler thermostat.

05-28-2014, 04:59 PM	#2
95 S_Trucker Registered User Join Date: Oct 2009 Location: . Posts: 2,179	Re: fan clutch always engaged I would replace the fan clutch with a stock replacement. There is a chance the fan clutch has failed(it is 18 years old). I would look for a GM piece. If you buy a cheap aftermarket one, it will probably make more noise than the one you have now. What kind of fuel mileage are you getting? I wouldn't expect anything better than 12 mpg. And, your mileage will suffer when you put in a cooler thermostat.