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Ask Ivan Alvarez Your Own Question
Ivan Alvarez
Ivan Alvarez,
Category: Chevy
Satisfied Customers: 119
Experience:  lead technician at Performance Tire and Automotive
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NO HEAT

Customer Question

NO HEAT
Submitted: 5 months ago.
Category: Chevy
Expert:  Ivan Alvarez replied 5 months ago.

First make sure the radiator is full of coolant. With the cap off run the truck at idle until it warms up. this will let any air in system come out. Once thermostat opens coolant level might drop so top it off and put radiator cap back on. At this time check heater hoses and heater for heat.

Customer: replied 5 months ago.

IT IS FULL WE HAD THIS TRUCK FOR OVER 10 YEARS NOW NEITHER HOSE IS GETING HOT PERIOD

Expert:  Ivan Alvarez replied 5 months ago.

When you remove the radiator cap can you see coolant flowing or it still?

Expert:  Ivan Alvarez replied 5 months ago.

With the truck running.

Expert:  Ivan Alvarez replied 5 months ago.

If the water is not flowing then you most likely have a water pump issue.

Expert:  Ivan Alvarez replied 5 months ago.

Any new info?

Customer: replied 5 months ago.

ill look ok its not always here that's were we was going to just weird runs cool and no leaks

Expert:  Ivan Alvarez replied 5 months ago.

A way to confirm its the water pump is to take one of the heater hoses off and start the truck. there should be flow of coolant coming out of either the hose or heater core depending what side you take off.