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#1
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Help with fan clutch
Can anyone tell me how to check the fan clutch on my 2003 trailblazer to see if its bad or not?
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#2
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Re: Help with fan clutch
m experience is replacement every 50k miles
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2002 LT Trailblazer 4x4 One of the first of this kind on the road 2003 3500 LT Silverado 4x4 ext cab 2006 Heritage Softail HD FLSTI |
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#3
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Re: Help with fan clutch
The clutch when it fails usually stays in the high position and will roar like a helicopter, or set a code/cel. BTW, my replacement Napa part has 70k no issues.
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#4
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Re: Help with fan clutch
With the engine cold, you should be able to turn the fan with your hand and feel some resistance. With a hot engine, it should be alot more difficult to turn. There should also be no looseness when wiggling it from front to back.
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Current Garage: 2009 Honda CR-V EX 2006 Mazda 3i 2004 Chevrolet Silverado 2500HD 2003 GMC Envoy XL 2000 Honda ST1100 2000 Pontiac Sunfire Vehicle History: 2003 Pontiac Vibe AWD - 1999 Acura Integra GS - 2004 4.7L Dakota Quad Cab 4x4 - 1996 GMC Jimmy 4wd - 1995 Chevrolet C2500 - 1992 Toyota Camry LE 2.2L - 1992 Chevrolet S10 Ext. Cab 4.3L - 1995 Honda ST1100 - 1980 Yamaha XS400 - 1980 Mercury Bobcat. |
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#5
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Re: Help with fan clutch
You should be able also to listen to the noise the clutch is making while the engine is hot, juts lift the hood, wait while engine is hot and becoming hotter and you should hear a blower sound (the fun clutch engages more and spins faster therefore the sound of wind blowing from that will be stronger and few minutes later, it will disappear as the engine cools a bit.
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