Ferrari Mailing List: Re: 308 fan tech questions

[Hans E. Hansen (FList]

Concur.

Just short the radiator switch and both should come on.  If not, likely a relay.  Although I had both fan motors fail within a week of each other......

Hans.

On Jul 2, 2015 3:12 PM, "Peter Pless" <ferrarilist [at] pless.com.au> wrote:

On my 308 both fans come on from the thermo switch, but just one with the A/C compressor.

 

From: Ferrari [mailto:ferrari-bounces+ferrarilist=pless.com.au [at] ferrarilist.com] On Behalf Of Clyde Romero
Sent: Friday, 3 July 2015 6:34 AM
To: Peter Pless
Cc: The FerrariList
Subject: Re: [Ferrari] 308 fan tech questions

 

Ok 

How hot did the car get temp wise?

If it went to 225 or higher you might have serious issues down the road 

Otherwise 

One fan comes on when the thermo switch hits 185 

The other fan only comes on when you switch on the A/C

By pass the circuit and put 12 volts to the fans 

If they spin most likely it a blown fuse

In early 3 series cars you should change clean the fuse box yearly

I use to put that stud that comes in the box which absorbs moisture in my fuse box 

And ECU compartment as well 

Also rotate your relays yearly 

 

Clyde 

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You miss all the fun! 

 

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Clyde Romero

Clyderomerof4 [at] bellsouth.net.          

678  6419932

 

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On Jul 2, 2015, at 3:21 PM, Mark <misc [at] 308systems.com> wrote:

Hi Guys

After a spirited drive last weekend, my 85 308 developed a serious overheat problem.  After stopping, I found the fans are not running.  Thus, this weekend will be troubleshooting…

 

Can you verify –

 

1)      If I short the thermostat connector pins, should the fans turn on?

2)      Do both fans always operate, or is there a mode where only 1 fan would turn on?

3)      There are no other components in the fan circuit, just the fans/thermostat connection/elect relay – correct?

4)      Which relay is the fan relay?

 

Thanks,

Mark

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