1994 GMC Sonoma runs hot

1994 GMC SONOMA
199,000 MILES • 4 CYL • 2WD • AUTOMATIC
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CMASON
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my truck will run hot really quick it did have a leak in one of the hoses and i replaced it i check the thermastat and looked at oil to see if it looked creamy to see if it had a cracked head and the oil was fine but after all i have done it still runs hot what else could i do
Dec 13, 2009 at 6:54 PM
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SWILLIAMS
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Visit a parts store and get a kit that allows you to test the coolant for combustion gasses. It could be a bad head gasket or a small crack in the head.
The test kit will show you if its the head/gasket.
After that check the radiator for blockage, water pump to see if it's actually pumping and other coolant blockage.
Dec 18, 2009 at 1:43 AM