MY HEATING SYSTEM HAS ALL OF A SUDDEN STATRTED ...

2002 Chevrolet Impala

Tiny

mgflw1960

December, 21, 2012 AT 12:01 AM

My heating system has all of a sudden statrted not getting warm all the time especially if I have it on defrost/floor. I had thermostat changed and system flushed. I have kept the car in great mechanical condition, no other problems. Any ideas?

FOUND 2430 RELATED QUESTIONS

2 Answers

Tiny

freemba

December, 21, 2012 AT 12:36 AM

First of all make sure that the coolant level is correct.

if still no heat, remove the blend door actuator (under dash). turn the "arm" that the actuator fits onto. this will open the heater door. if heat now is available, replace the actuator.

this link will help.

http://www.youtube.com/watch?v=D_GZNbP4mwo

Tiny

saturntech9

December, 21, 2012 AT 6:29 AM

Before removing anything I would also make sure both heater hoses going into the heater core at the firewall are getting too hot to hold when the engine is warmed up?Also watch if the blend door is operating.

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