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-   -   overheating v6 305 (https://67-72chevytrucks.com/vboard/showthread.php?t=145908)

66gmc 03-14-2005 11:39 PM

overheating v6 305
 
any suggestions would be great. changed thermostat and gage oviously doesn't work because i drive for a short time and steam starts coming out of the hood. the radiator cap and overflow spout stiting antifreeze/water everywhere. just got the truck , changed oil/plugs/wires/starter/thermostat/radiator cap

think i'm gonna flush it (radiator) and throw some new hoses on and a new water pump. anything i'm missing that would cause overheating? would timing? haven't checked that yet. thanks again. tone

60-66 Nut 03-15-2005 09:57 AM

Lots of possibilities, make sure your thermostat is not in upside down(common mistake). I would have the radiator checked before anything else. It could be plugged up, and it could also have a pinhole that's spraying the coolant out when it gets pressured up. Try running it with the cap loose to see if it still looses coolant. Also remember, if the truck doesn't have a puke jug, you won't be able to keep the radiator full to the top. The coolant needs room for expansion.

60-66 Nut

kamikazegmc 03-18-2005 05:28 AM

also the 305v6 holds alot of water.


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