Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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Joined: Oct 2010
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Grease Monkey
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Grease Monkey
Joined: Oct 2010
Posts: 17
I don't see coolant circulation in the radiator of my 1932 Chevrolet Confederate. How do I determine if my water pump is functioning? Should I expect to see circulation? There is no coolant leaking from the pump and I don't have a thermostat.

Last edited by chevyfleetline; 01/14/24 10:15 AM. Reason: I entered the year and make of my vehicle.

Douglas Shelton
Filling Station - Chevrolet & GMC Reproduction Parts


Filling Station


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ChatMaster - 15,000
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ChatMaster - 15,000
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Looking through the radiator top opening it is difficult to see any coolant movement. It is because of the design of the inlet pipe and small opening at the cap. Also until the coolant is heated it will be just above the radiator core in the dark top tank.


How Sweet the roar of a Chevy four!
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ChatMaster - 4,000
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ChatMaster - 4,000
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is the 32 radiator and such different then the 29-30 ?? I can see turbulence in the coolant as the water pump MOVES a good amount of coolant.

Video of 1929 before rebuild:


other option is you can put in a Gano Filter in the return line to the Radiator and watch the fluid MOVE :)


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Love the Antique Chevrolet's from 1928-1932
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Grease Monkey
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Grease Monkey
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Thanks for that perspective. Very helpful.


Douglas Shelton

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