| [GMCnet] Re: Radiator cooling fan [message #366819 is a reply to message #366809] |
Wed, 15 September 2021 23:07   |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma:
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We provide all type and found that when the engine gets hot, the fan should
roar.
One almost need to have a temperature gage and have it reach around 210-220
degrees.
Tom Pryer came up with a kit using the Mercedes fan clutch that is
triggered by the temp sensor.
I have been running it for three years and also provide that kit.
On Wed, Sep 15, 2021 at 5:32 PM James Hupy wrote:
> The fan clutch can be tested to see if it is serviceable by trying to move
> it when the engine is overnight cold. It should have a great amount of
> resistance to turning it by hand. After the engine is at operating temps,
> you should be able to easily turn the fan blades. If it locks up and roars
> when you pull off the highway, and stop for a red light, etc. I would say
> that it is working correctly.
> Engine temps? I don't know. The clutches all vary a bit on cut in
> /out temps. Hot air activates them, not coolant temps, so shroud
> construction or modifications will affect that as well.
> About all that I know about them.
> Jim Hupy
> Salem, Oregon
>
> On Wed, Sep 15, 2021, 5:20 PM tom geiger wrote:
>
>> I’ve been reading on radiator cooling fans for the motorhome. Its seems
>> like there is a little trouble in both camps. The fan clutches seem to
>> fail but I’m also reading some have questions on the electric fans being
>> dependable. I put on a new fan clutch years ago and am not sure its
>> working like it should. It seems to spin all the time but honestly not
>> sure how these fan clutches are suppose to work. Anyhow was wondering
> what
>> everyone is doing on this now.
>>
>> Thanks,
>> TG
>> --
>> Tom Geiger
>> 76 Eleganza II
>> KCMO
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--
Jim Kanomata ASE
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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