Hello, you say that you got this problem after you topped off the coolant? My gauge(85 westy GL) read low by more than a needle width for a year. One day the coolant level sensor blew out of the expansion tank(I have heard of this happening before( one more way that you can loose your coolant before its time!)). I replaced this sensor and low and behold, as a side effect of this repair, the gauge needle was now back to a normal position. I have to tell you that I knew that would happen(this is a lie).However, upon closer inspection of the level sensor, I saw cracked plastic in one of the probes. Perhaps this sensor is causing your problem. I say this because you added coolant and this problem began. Maybe the electrical signal was somehow altered with the additional coolant. |
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