Having problems with your 2001 Chevrolet Blazer ?

I do not have any heat in my blazer, the fan blows but no heat

Posted / edited by AnonymousUser on : 10-08-2020

Answers :

Start with the engine hot and the temperature selector in the cabin set to max heat and the blower on. Raise the hood and locate the hoses going into the heater core (through the firewall). Check if both hoses are hot to the touch. If not, locate the control valve in one of the heater hoses and feel if it is hot on one side of the valve.

Have an assistant move the temperature selector inside the cabin. Watch the valve in the heater hose to see if it moves. If not, look for the problem with the mechanism. If it does, replace the thermostat.
Repair Help & Product Troubleshooting for 2001 Chevrolet Blazer

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