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Kerry
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Temp gauge

Post by Kerry »

the temp gauge in my 87 Milano suddenly stopped registering, the car is new to me so any help would be appreciated. Kerry
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Nicholas
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Post by Nicholas »

It is more than likely that the temperature sender on the thermostat housing has failed and requires replacement.
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Kerry
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Post by Kerry »

Hi Nick, thanks for the response, I tried a spare, it didnt help, any further suggestions, is it possible for the gauge to fail.
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Nicholas
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Post by Nicholas »

From my experience gauges rarely fail, however they don't last forever either. try putting a load on the gauge to test if the needle moves if so you probably have two faulty senders on your hands. I'm pretty sure I did something like this a couple of years back when I experienced a similar problem. I ended up getting a brand new sender and all was good.
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Post by Alfa GTV6 NZ »

Also check the earth wire to the thermostat/sender housing
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MD
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Post by MD »

Clean the threads in the head and the sender to be sure there is conductivity through the sender, motor and back to chassis ground.

As an experiment, you could solder a small ground wire to a copper washer of the correct size to fit over the sender, fit the sender in its usual location and connect the wire to chassis ground. Bring the car up to temp as usual. If there is no change, you could have a faulty sender or a gauge. If it works, you had an earth problem. If it doesn't, substitue one at a time and see how you go..
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Kerry
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Post by Kerry »

Well after cleaning all the connectors on the sender with no luck, and trying a spare sender, I replaced the connectors, it seems to be working fine although Im not sure if these cars will normally jump up over 200 degrees in stop and go traffic, Thanks for the help.
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x-rad
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Post by x-rad »

Got enough fluid?
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