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Heater not working

Tiny
LESLIEW
  • MEMBER
  • 1999 MERCURY VILLAGER
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 89,000 MILES
The heater blows cold air has the automatic climate control and I have replaced the climate control head in dash and the thermostat. About 6 months ago had the cooling system flushed and refilled any help on this would be appreciated and how can I get a diagram of the hole system?
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Wednesday, December 26th, 2007 AT 1:47 PM

2 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Here is how to get the codes from the HVAC system.

The self-test can be initiated at any time. Normal operation of the system stops when the self-test is activated.

To enter the self-test, press the OFF and floor position buttons simultaneously and then press the AUTOMATIC button within two seconds.

The display will show a pulse tracer around the center of the display window. The test may run as long as 30 seconds . Record all DTCs displayed.

This guide can help as well.

https://www.2carpros.com/articles/car-heater-not-working

Please let us know what happens.

Cheers
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Wednesday, December 26th, 2007 AT 2:01 PM
Tiny
LESLIEW
  • MEMBER
  • 1 POST
Thanks for the guide I found out the engine coolant was low because the water pump we out, I installed a new one now all good. Thanks for the guide really helped.
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Saturday, December 29th, 2007 AT 2:11 PM

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