'05 Express 2500 Fan Clutch - Chevelle Tech
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post #1 of 8 (permalink) Old Jun 28th, 19, 5:43 PM Thread Starter
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rick
 
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'05 Express 2500 Fan Clutch

I'm trying to get the fan clutch off the water pump, it doesn't have 4 bolts like most the fan clutch hub holds the WP pulley on but mine just keeps spinning even when I jammed wood, rubber etc. in between belt & pulley, I see a small hole in the pulley is that to stick a tool or nail or something to keep it from turning, another mechanic friend said he used air chisels to knock them loose then they spun off easily, I tried a hammer & chisel with no luck and also it's probably not good for the new pump, other mech. buddy changed WP less than a year ago, wish I knew we should've changed the fan clutch then, TIA rick


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post #2 of 8 (permalink) Old Jun 28th, 19, 10:35 PM
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Re: '05 Express 2500 Fan Clutch

There are tools to do that operation. good luck!

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post #3 of 8 (permalink) Old Jun 28th, 19, 11:27 PM Thread Starter
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rick
 
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Re: '05 Express 2500 Fan Clutch

Hi Leo, I rented the tool kit but it's for the 4 bolt pulley, mine doesn't have bolts and all parts stores that rent the tool kit are all alike that's the reason I was asking if there's another way or another tool that I need to buy? going to try putting an allen wrench in the hole tomorrow and will let you know how it goes, youtube has nothing


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post #4 of 8 (permalink) Old Jun 29th, 19, 8:24 PM Thread Starter
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Re: '05 Express 2500 Fan Clutch

Well rental tools for removing the fan clutch didn't work out, drove the van 10-12 blks to a friends house he's a semi retired mechanic and after struggling with the rental tools he knocked it loose with an air chisel so that's another way to get'er done, didn't take any pics of knocking it loose with the air chisel but I'm sure you can get the idea
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post #5 of 8 (permalink) Old Jun 29th, 19, 9:18 PM
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Ed
 
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Re: '05 Express 2500 Fan Clutch

Use an air chisel. It will break it loose and you can spin it off by hand.
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post #6 of 8 (permalink) Old Jun 29th, 19, 9:31 PM
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Re: '05 Express 2500 Fan Clutch

As a retired Mechanic myself, the shop had the tools and I purchased my own to use when I did side work. Sometimes a pipewrench and a BFH works as well. I have had two Chevy's that had that fan clutch. Glad you found someone to help you!
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post #7 of 8 (permalink) Old Jun 29th, 19, 9:38 PM
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Re: '05 Express 2500 Fan Clutch

The correct tool is this spanner wrench. You use it to hold the pulley and a big open end wrench turns the fan nut. I own one, it works. The wrench on the fan nut usually needs a smack with a BFH.

https://www.lislecorp.com/specialty-...spanner-wrench
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post #8 of 8 (permalink) Old Jun 29th, 19, 10:03 PM Thread Starter
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rick
 
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Re: '05 Express 2500 Fan Clutch

I rented the spanner wrench & big wrench but it was really stuck I'm surprised because I had the WP changed less than a year ago, air chisel to the rescue Oh and I used plenty of anti seize on the new one
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