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Date:         Thu, 10 Aug 2006 15:44:29 -0700
Reply-To:     Geo & Kathleen Hahn <ahwahnee@CYBERTRAILS.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Geo & Kathleen Hahn <ahwahnee@CYBERTRAILS.COM>
Subject:      Re: Odd Coolant Temp Gauge Problem
In-Reply-To:  <005801c6bc98$c85cbe90$0a0ba8c0@RON>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

The Bus Depot wrote:

>My '89 Vanagon is experiencing an intermittant coolant gauge failure... >

Another source of a bad ground (I think) can be the bolts securing the thermostat housing. I believe these bolts are the path to ground that the sending unit relies on... if they are somewhat corroded they can increase resistance and give a false low temp.

Never had an intermittent failure from this but when it's a failing ground many strange things can happen.

Geo H

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