1994 GMC Sonoma runs hot

Tiny
CMASON
  • MEMBER
  • 1994 GMC SONOMA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 199,000 MILES
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
Sunday, December 13th, 2009 AT 6:54 PM

1 Reply

Tiny
SWILLIAMS
  • MECHANIC
  • 597 POSTS
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.
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Friday, December 18th, 2009 AT 1:43 AM

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