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Re: [GMCnet] Fan Clutch [message #61437 is a reply to message #61301]

Sat, 24 October 2009 09:45

Ken Burton

Messages: 10030
Registered: January 2004
Location: Hebron, Indiana

Karma:

Senior Member

Larry wrote on Fri, 23 October 2009 12:36

FYI, did a search for 15- 4208 at ACdelco.com and got this:

CLUTCH,FAN BLADE
Part Number: 15-4947
Requested part 15-4208 has been superseded.

HUmmm...wonder which one this really is...light, normal or heavy duty?

I have no knowledge on the 15-4947.

The work I did on these clutches with AC Delco engineering was several years ago and the recommendation at the time was 15-4208. The engineer I worked with had me get the fan diameter and fan pitch for him. Denny Allen had one out so I got the measurements from him. With that data he recommended the 15-4208.

He was able to find the specs on the original GM part number we used and said the specs on the 15-4208 were about the same.

At the time I asked about the 15-4644. He said it was for a minimum 2" larger diameter fan with at least one more inch in the pitch. He also stated that it needed at least two 1/2" wide belts to drive it. When I told him some GMCers were using the 15-4644 with two 7/16" belts, he asked me how their fan belt, alternator, and water pump bearing life was. I told him I did not know.

He said the 15-4208 needs a minimum of two 3/8" belts to drive it. He saw no problem when I told him ours were really two, or three with the optional AC installed, 7/16" belts.

The most recent one I bought was in July and I forwarded that one to Canada so I never even opened the box.

All I can say is someone needs to buy one of the new ones and try it. I also see the new part number is $66.00 where the 15-4208 was $50.00

Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana

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[Message index]

		[GMCnet] Fan Clutch By: USAussie on Wed, 21 October 2009 22:36
		Re: [GMCnet] Fan Clutch By: Ken Burton on Wed, 21 October 2009 22:43
		Re: [GMCnet] Fan Clutch By: Rick Denney on Thu, 22 October 2009 00:33
		Re: [GMCnet] Fan Clutch By: Tin Gerbil on Thu, 22 October 2009 00:49
		Re: [GMCnet] Fan Clutch By: USAussie on Thu, 22 October 2009 02:57
		Re: [GMCnet] Fan Clutch By: Oldngray on Thu, 22 October 2009 07:22
		Re: [GMCnet] Fan Clutch By: Tin Gerbil on Thu, 22 October 2009 10:54
		Re: [GMCnet] Fan Clutch By: USAussie on Thu, 22 October 2009 15:37
		Re: [GMCnet] Fan Clutch By: Ray Erspamer on Thu, 22 October 2009 10:32
		Re: [GMCnet] Fan Clutch By: Tin Gerbil on Fri, 23 October 2009 00:44
		Re: [GMCnet] Fan Clutch By: Ken Burton on Fri, 23 October 2009 01:43
		Re: [GMCnet] Fan Clutch By: Tin Gerbil on Fri, 23 October 2009 09:28
		Re: [GMCnet] Fan Clutch By: Rick Denney on Fri, 23 October 2009 14:50
		Re: [GMCnet] Fan Clutch By: USAussie on Fri, 23 October 2009 18:31
		Re: [GMCnet] Fan Clutch By: Rick Denney on Sat, 24 October 2009 01:35
		Re: [GMCnet] Fan Clutch By: USAussie on Sat, 24 October 2009 02:47
		Re: [GMCnet] Fan Clutch By: emerystora on Sat, 24 October 2009 09:37
		Re: [GMCnet] Fan Clutch By: Ken Burton on Fri, 23 October 2009 21:18
		Re: [GMCnet] Fan Clutch By: WD0AFQ on Fri, 23 October 2009 22:56
		Re: [GMCnet] Fan Clutch By: Rick Denney on Sat, 24 October 2009 02:44
		Re: [GMCnet] Fan Clutch By: Rick Denney on Sat, 24 October 2009 02:38
		Re: [GMCnet] Fan Clutch By: GMCWiperMan on Sat, 24 October 2009 07:00
		Re: [GMCnet] Fan Clutch By: Ken Burton on Sat, 24 October 2009 09:09
		Re: [GMCnet] Fan Clutch By: USAussie on Thu, 22 October 2009 02:55
		Re: [GMCnet] Fan Clutch By: Rick Denney on Thu, 22 October 2009 04:05
		Re: [GMCnet] Fan Clutch By: rgleas on Sun, 25 October 2009 11:30
		Re: [GMCnet] Fan Clutch By: emerystora on Sun, 25 October 2009 11:52
		Re: [GMCnet] Fan Clutch By: Gary Casey on Sun, 25 October 2009 12:32
		Re: [GMCnet] Fan Clutch By: Tin Gerbil on Sun, 25 October 2009 13:05
		Re: [GMCnet] Fan Clutch By: emerystora on Sun, 25 October 2009 13:29
		Re: [GMCnet] Fan Clutch By: Tin Gerbil on Sun, 25 October 2009 17:38
		Re: [GMCnet] Fan Clutch By: emerystora on Sun, 25 October 2009 18:02
		Re: [GMCnet] Fan Clutch By: Tin Gerbil on Sun, 25 October 2009 18:51
		Re: [GMCnet] Fan Clutch By: RF_Burns on Thu, 22 October 2009 07:54
		Re: [GMCnet] Fan Clutch By: Ray Erspamer on Thu, 22 October 2009 10:40
		Re: [GMCnet] Fan Clutch By: GMCWiperMan on Thu, 22 October 2009 15:09
		Re: [GMCnet] Fan Clutch By: Gary Casey on Thu, 22 October 2009 17:17
		Re: [GMCnet] Fan Clutch By: Ray Erspamer on Thu, 22 October 2009 17:21
		Re: [GMCnet] Fan Clutch By: Tin Gerbil on Thu, 22 October 2009 10:23
		Re: [GMCnet] Fan Clutch By: Rick Williams on Fri, 23 October 2009 09:05
		Re: [GMCnet] Fan Clutch By: Tin Gerbil on Fri, 23 October 2009 09:43
		Re: [GMCnet] Fan Clutch By: amansfield1104 on Fri, 23 October 2009 10:16
		Re: [GMCnet] Fan Clutch By: roy1 on Sat, 24 October 2009 21:16
		Re: [GMCnet] Fan Clutch By: Ken Burton on Sat, 24 October 2009 21:19
		Re: [GMCnet] Fan Clutch By: roy1 on Sat, 24 October 2009 21:38
		Re: [GMCnet] Fan Clutch By: Larry on Fri, 23 October 2009 12:36
		Re: [GMCnet] Fan Clutch By: Ray Erspamer on Fri, 23 October 2009 13:12
		Re: [GMCnet] Fan Clutch By: Tin Gerbil on Fri, 23 October 2009 13:16
		Re: [GMCnet] Fan Clutch By: Ray Erspamer on Fri, 23 October 2009 13:43
		Re: [GMCnet] Fan Clutch By: Ken Burton on Sat, 24 October 2009 09:45
		Re: [GMCnet] Fan Clutch By: Tin Gerbil on Sat, 24 October 2009 11:24
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		Re: [GMCnet] Horsepower and Torque Converter Efficiency By: GMCWiperMan on Sun, 25 October 2009 06:29
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		Re: [GMCnet] "six-speed" transmission By: Gary Casey on Sun, 25 October 2009 12:02
		Re: [GMCnet] "six-speed" transmission By: emerystora on Sun, 25 October 2009 13:39
		Re: [GMCnet] "six-speed" transmission By: Gary Casey on Mon, 26 October 2009 07:07
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		Re: [GMCnet] "six-speed" transmission By: comcast on Sun, 25 October 2009 12:21
		Re: [GMCnet] "six-speed" transmission By: emerystora on Sun, 25 October 2009 14:01
		Re: [GMCnet] Horsepower and Torque Converter Efficiency By: Tin Gerbil on Sun, 25 October 2009 10:59

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