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Joined: Feb 2002
Posts: 83
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Feb 2002
Posts: 83 |
1941 coupe, 6 V system, last week the temp gage needle started moving from left side to far right side in less than a mile of driving. Car is not overheating. What do you suggest?
Jerry whitfield
Winston salem NC
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
Check the water level. It may be so low it is below the temperature bulb.  
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Dec 2007
Posts: 4,024 Likes: 99
ChatMaster - 4,000
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ChatMaster - 4,000
Joined: Dec 2007
Posts: 4,024 Likes: 99 |
The temperature gauge in that car is a mechanical gauge. Nothing electrical in that circuit/ The heat in the engine causes the liquid in the bulb to convert to a gas and expand to move the needle.
Rusty
VCCA #44680
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Joined: Sep 2009
Posts: 6,689 Likes: 21
ChatMaster - 6,000
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ChatMaster - 6,000
Joined: Sep 2009
Posts: 6,689 Likes: 21 |
Yes, but I think the bulb needs to be in water or some other mediem to do that. I don't think it will indicate mere steam or heat, per se. Charlie 
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Joined: May 2002
Posts: 6,149 Likes: 42
ChatMaster - 6,000
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ChatMaster - 6,000
Joined: May 2002
Posts: 6,149 Likes: 42 |
In all cases (electric or mechanical) the sensor bulb needs to be submerged in liquid to operate properly.
Tony
1938 1/2 ton Hope to drive it before I retire
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