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Subject:Re: Replacing radiator Fan Thermo switch questions
From:Tom Buese
Date:Mon, 23 Aug 2021 13:27:58 -0400

Lol Eric! 
Dan, my 84 has never had AC or for that matter power steering or windows, but it does have a Peloquin TBD,  BZ Shelf, & a few other goodies, but nothing like Eric’s 17” wheels & myriad other accessories! 

Mr BZ

Sent from my iPhone

> On Aug 23, 2021, at 12:41 PM, Dan N <dn92610@gmail.com> wrote:
> 
> thanks Eric,
> 
> To answer Toms' question with or without AC the functionality of the  Fan
> Thermoswitch doesn't change, except that when you turn the AC on the fan
> will be ON at low speed. I have AC on my van but I don't need it so I
> remove the belt. When I want the fan ON manually I turn ON the AC
> (compressor not ON because no belt). This way I can control the activation
> of the rad. fan in traffic or on an inclined road.
> Mark (vw_van_fan_Mark) has a way to wire a toggle switch to activate the
> fan manually.
> 
> 
>> On Mon, Aug 23, 2021 at 9:19 AM Eric Caron <ericcaron96@comcast.net> wrote:
>> 
>> Hi Dan,
>> 
>> Tom’s amazing van is a 84 yellow with no AC ever.
>> Other then the 2.1 upgrade just about stock I believe and Tom will fill in
>> the rest.
>> 
>>        His van has great karma!
>> 
>> Eric
>> 
>> 
>>>> On Aug 23, 2021, at 12:08 PM, Dan N <dn92610@GMAIL.COM> wrote:
>>> 
>>> You never have AC or you have AC and deactivate it?
>>> 
>>>> On Mon, Aug 23, 2021 at 9:05 AM Tom Buese <tantonbz@gmail.com> wrote:
>>> 
>>>> Yes, I have 19.12 open, but was confused by the factory settings listed
>>>> being a little different that the new switch. Meanwhile I am running a
>> 2.1
>>>> on  Digijet & no AC, so not sure if that makes any difference!
>>>> 
>>>> Sent from my iPhone
>>>> 
>>>>> On Aug 23, 2021, at 11:38 AM, vw_van_fan_Mark <madvws@cox.net> wrote:
>>>>> 
>>>>> The new switch you have is the standard replacement temp range.
>>>>> 
>>>>> The "wrong" switch turns on the fan at lower temps than that.
>>>>> 
>>>>> The early watercooled vans used one that turned on at higher temps than
>>>> your new one.
>>>>> 
>>>>> Bentley page 19.12 shows the original factory temp switch ranges for
>>>> waterboxers.
>>>>> 
>>>>> After you replace it, look closely at your old one to see what temp
>>>> markings are on it.
>>>>> 
>>>>> Mark
>>>>> 
>>>>> Tom Buese wrote:
>>>>>> My thermo switch is bad & I have a new spare that is rated 85-93
>>>> degrees C. I read an old post from Mark Drillock talking about the
>> several
>>>> different switches that were available 12 years ago & a problem w/ using
>>>> one that operates at a lower temp thus causing the #7 fuse  to overheat
>> &
>>>> melt the plastic around the fuse holder!  I dont want to install my new
>>>> switch if that is the wrong one!
>>>>>> Do I have the best switch or did I get the wrong one? Inquiring mind
>>>> needs to know before another 500 mile RT on Friday! TIA!
>>>>>> 
>>>>>> Sent from my iPhone
>>>>>> 
>>>>>> 
>>>>>> Sent from my iPhone
>>>>>> 
>>>> 
>> 
>>