HEATER BLOWS COLD

1990 Ford Bronco

Tiny

surveyor680

January, 14, 2011 AT 3:40 AM

My heater blows cold air I flushed and changed the coolant and replaced the thermostate

FOUND 4701 RELATED QUESTIONS

Heater

17 ANSWERS
11 IMAGES

2 Answers

Tiny

rasmataz

January, 14, 2011 AT 3:56 AM

Check the heater core, heater control valve and the air blend door.

Tiny

Ford Man

January, 14, 2011 AT 5:04 AM

You may have an air bubble stuck in the heater core. Also the heater control valve might be stuck if you back - flushed the system without removing it. The thermostate might not be any good, & needs to be tested to see if it opens.

Ford Man in Michigan

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