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How to reset light in middle of temp gauge
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garra
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Joined: August 30, 2010
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Location: Nevada
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PostPosted: Sat Aug 23, 2014 11:28 am    Post subject: How to reset light in middle of temp gauge Reply with quote

I have an 84 Vanagon, some time ago when the reservoir was a bit low this idiot light came on, located in middle of temp gauge.. I have since filled the low level, but the light stays on. Any idea how to reset??
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Jeffrey Lee
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Joined: February 04, 2014
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PostPosted: Sat Aug 23, 2014 11:56 am    Post subject: Reply with quote

There is no way to 'reset' the warning light; it's triggered by a sensor in the coolant pressure tank. There are typically only two things which can trigger the sensor: low coolant levels, or cruddy hard-water deposits on the sensor.

If you've confirmed that you have adequate coolant, then a dirty sensor is probably the culprit. Either clean it with vinegar and a mild abrasive pad, or replace with new.

http://www.thesamba.com/vw/forum/viewtopic.php?t=604536&highlight=coolant+level+sensor

http://www.thesamba.com/vw/forum/viewtopic.php?t=603833&highlight=coolant+level+sensor

Good luck!
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garra
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PostPosted: Sat Aug 23, 2014 1:15 pm    Post subject: Reply with quote

Thanks, it wasn't that low, took about a quart. I guess I will pull it and give it a clean.

gg
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Ahwahnee
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PostPosted: Sat Aug 23, 2014 2:05 pm    Post subject: Reply with quote

Just so there is no misunderstanding -- this is the tank that must be full:

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danfromsyr
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PostPosted: Mon Aug 25, 2014 8:11 am    Post subject: Reply with quote

a Quart is ALOT in a 1.5Qt container.. the bottle is supposed to be full tot he top. with the air bleed (siphon) line in good condition to the bottle inthe license plate.
garra wrote:
Thanks, it wasn't that low, took about a quart. I guess I will pull it and give it a clean.

gg

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