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Subject:Re: Temp Indicator On Dash rises to max: 84 Vanagon
From:Rob
Date:Mon, 14 Oct 1996 19:37:26 -0400

At 12:01 PM 10/14/96 -0500, you wrote:
>At 11:24 AM 10/14/96 -0500, you wrote:
><<SINIP>>
>>John,
>>
>>Your coolant light will blink if you do not have the proper mix of
>>coolant and water.  It will also blink if your fluid level is low.
>>
>>Just a thought.
>>-- 
>>Hotch
>>hotch@netaxs.com
>
>The sensor is simply a level sensor, not a magical glycol sniffer.
>
>
>>
>Bo Kersey
>'89 Westy - 65k miles
>
>

        The sensor is not only a level sensor, but it does it by magic!
        In one of the VW archives I found a service bulletin about the
blinking lite. The level is determined by the resistance of the fluid acting
on a probe, (NOT a Float). If the coolant is mixed too 'rich' the probe will
not get the correct reading and the lite will blink.
        I can't remember which VW page I went to for this info, but there
was some good info out there for the finding.
        Later volks,

        Rob.