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HVAC Issues.

Tiny
THEPHNX39
  • MEMBER
  • 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
_________________________
2006 MERCURY GRAND MARQUIS LS
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Sunday, August 21st, 2011 AT 1:15 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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
  • 15 POSTS
@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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