VANAGON archives -- March 2008, week 3 (#158)

Date: Mon, 17 Mar 2008 19:10:06 -0700 Reply-To: Joel Cort <joel_cort@YAHOO.COM> Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com> From: Joel Cort <joel_cort@YAHOO.COM> Subject: Re: successful 2000 mile road trip Content-Type: text/plain; charset=us-ascii

I second that check. This is easy and the first thing to check. The fuse may be blown. Why, the fan sucks a lot of amps.

Secondly there is a sensor in the middle of the left side of the radiator that will trigger off and on the signals for the fan to turn on a low speed and high speeds. This is a big sensor screwed into the radiator with three heavy duty wires connected to it.

Check the wiring connections because they could be corroded or busted. The wires ther could be cut too do to the twisting and bending. To check this you can simply remove the lower grill on your Vanagon. You can get your hand in there and check the wiring.

I have also seen the sensor dessintigrate and break. The sensor is pretty cheap to replace - like under $10 and not too hard to change. If you do it right you will not loose too much coolant or need to purge the radiator.

Third, I would look at the large resistor behind the headlight, as Tom Meyers suggested, but the resistor may be for Vanagons with the airconditioning system only, I can't recall now.

Hope this helps.

Joel Cort Rochester NY

----- Original Message ---- From: Mark Drillock <mdrillock@COX.NET> To: vanagon@GERRY.VANAGON.COM Sent: Monday, March 17, 2008 3:20:00 PM Subject: Re: successful 2000 mile road trip

You should check the main panel fuse #1 first, 30 amp. The radiator switches need this fuse to run the fan but the A/C circuit has it's own power source going to the fan.

Mark

Allan Streib wrote: > The fan works. Though I did not need the AC on this trip, I did try > turning it on briefly and heard it running. I will try it from the > sender perhaps that is the problem. Is the sender for the fan located > on the radiator or in the engine compartment? > > Allan > -- > 1991 Vanagon GL > > On Mon, 17 Mar 2008 14:21:01 -0400 (EDT), "Kenneth Lewis" > <kdlewis@northstate.net> said: >> Allan, >> i would check out the fan operation before taking any more long trips. >> First check the fuses. To test the fan I just short the wires (two at a >> time) at the radiator sensor. this will test the high and low functions. >> -- >> Ken Lewis >> http://neksiwel.20m.com/ >> >

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