Engine overheats and heater only blowing cold air

2006 CHEVROLET COLORADO
130,000 MILES • 2.8L • 4 CYL • 2WD • AUTOMATIC
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ROBERROSSIII
  • MEMBER
  • 1 POST
On Friday I shut my truck off. When out of town for the weekend. Monday morning when to start truck and notice thermostat was reading high right after I started ignition. Turned on the defroster, blowing cold air. Checked radiator it was cold and radiator hose had no pressure. Please help. Thank you
Mar 29, 2021 at 9:55 AM
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JACOBANDNICKOLAS
  • CERTIFIED EXPERT
  • 110,175 POSTS
Hi,

It sounds low on coolant. When it's cold, check both the overflow reservoir and also the radiator itself for the coolant level.

https://www.2carpros.com/articles/engine-coolant-59420607

Let me know what you find.

Joe
Mar 30, 2021 at 7:15 PM