HVAC ISSUES.

  • Tiny
  • thephnx39
  • 2006 Mercury Marquis

When I start my car up and turn on ac or heater, it blows out nothing as if it's congested/clogged on all cycle modes and will do this for like 5 minutes then blow out as normal for a few minutes then back to congested/clogged blowing. What can be causing this and how to fix it?
2006 Mercury Grand Marquis LS
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2006 MERCURY GRAND MARQUIS LS

Sunday, August 21st, 2011 AT 1:15 AM

2 Answers

  • Tiny
  • rasmataz
  • Member

Check and test the blower motor relay/blower motor harness if okay Have the HVAC control module checked out-

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Sunday, August 21st, 2011 AT 1:23 AM
  • Tiny
  • thephnx39
  • Member

@rasmataz. How to test relay n harness? And where to get replacements?

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Sunday, August 21st, 2011 AT 1:50 AM

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