| Re: [GMCnet] Another fan clutch story [message #95949] |
Sun, 15 August 2010 18:07 |
James Moore
Messages: 71
Registered: January 2004
Karma: 0
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Charles,
The GMC parts manual shows the fan clutch part number from 1975 to 1977 as
550528. In acdelco.com, this part number crosses to 15-4208. acdelco.com
shows that this clutch was used on numerous GM cars including 1968 - 1983
Toronados.
The Autozone in Rock Springs, WY crossed GM number to a Hayden number which
I installed and drove to middle GA with no problem. It was interesting the
cross over part number was not the same as their catalog number for a 75
Toro.
It is a lighter clutch than I expected but seems to do the job. Noise
levels are low like it is not coming up to engine speed but there was
enough change in noise levels to tell when it switched on and off. The
outside temps exceeded 90F and I was towing a 3600 lb CRV up some pretty
steep hills in Wyoming.
Jim Moore
> [Original Message]
> From: Charles Boyd <covered-wagon@comcast.net>
> To: <gmclist@temp.gmcnet.org>
> Date: 8/12/2010 6:41:25 AM
> Subject: Re: [GMCnet] Another fan clutch story
>
>
>
>
> So what is the GM part number for the one in between these two which I
think
> they call a Heavy Duty.
>
>
> Ray
>
>
> Ray & Lisa Erspamer
> 78 Royale Center Kitchen
> TZE368V101144
> Wauwatosa, Wisconsin 53226
> Email: mailto:78GMC-Royale@att.net
> 414-745-3188
> Web Site: http://ray-lisa.page.tl/
>
>
>
>
>
>
>
>
>
> Good morning Ray: These are GM part #s
> 550528 is listed for all Motorhome & transmode (std) with 455
> 724457 is listed for Transmode w/RPO VQV and all 403 engines
> Hope this helps...
> --
> C. Boyd
> 76 Crestmont by Midas
> East Tennessee
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