Vette(s): 1968 Conv, 454HO,500HP-600TQ, TKO-600,3:70 HD rear,hotrod air, custom paint & suspension,1973 Ruby Red,T-top, 383 Stroker, TK)-500,frame off restro, 1967 Dodge Coronet, 340 stroker to 406, Dana 60

Years ago I had a parts house sell me the wrong water pump & when you got on the highway it would heat up at idle it would go to the normal temp. Finally took the pump off & found it was trying pushing the water the wrong way. So I have to believe Adam is correct on this problem.

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Re: Replaced water pump, can't get air out of the cooling system

Posted: 3/8/19 10:07amMessage 12 of 12

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danascar

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Germansville, PA - USA

Joined: 1/28/2010

Posts: 865

Vette(s): 1974 Coupe 358ci 4 speed Black w/Medium Saddle interior w/79 custom leather seats. . 1999 C5 Convertible, 6 speed, Atomic orange, Oak interior.

Did you replace lower rad hose? If not there is a possibility that if the hose does not have internal spring in it, it could be collapsing under running conditions...just a thought.

DanT

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Replaced water pump, can't get air out of the cooling system

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Re: Replaced water pump, can't get air out of the cooling system

Re: Replaced water pump, can't get air out of the cooling system

in Forum: C3 HVAC, Fuel, Emissions, and Exhaust