99 blazer running hot

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05-08-2010, 10:15 PM

shellcarver

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Join Date: May 2010

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99 blazer running hot

replaced the water pump, thermostat, and flushed it all out. still running hot. ran good for a day, now not so good. did i miss something?

05-08-2010, 10:20 PM

R134A

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Running Hot

Get it warmed up and feel the hoses going to your heater core,if they are not the same temperature then you have a blocked heater core.

05-08-2010, 10:23 PM

BlazerGuy2001

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Location: Rochester Hills, Michigan

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crack in the radiator possibly? same thing was happening to me and that was the problem.

05-08-2010, 11:22 PM

shellcarver

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heater core. i do think thats my problem. thank you.

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