have 2003S10 with 4.4 v6. hve no heat blowing,Thermostat?

Asked by Feb 24, 2017 at 07:13 AM about the 2003 Chevrolet S-10 4 Dr LS 4WD Crew Cab SB

Question type: Maintenance & Repair

no heat bbowing all cold air

2 Answers

77,815

First you need to determine if the engine is getting to operating temperature or not, the temperature gauge would be a good indication, if not then replace the thermostat, check that the heater hoses are getting hot, could be a air pocket or plugged heater core, and also make sure the climate control blend door actuators are working properly.

95

You might also check your heater core

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