Heater and air conditioner box drain

40,000 MILES • 4.3L • 6 CYL • 4WD • AUTOMATIC
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ALBERT PELLETIER
  • MEMBER
  • 1 POST
Drain clogged.
Mar 5, 2018 at 3:15 AM
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CARADIODOC
  • ✓Experienced Mechanic
  • 34,411 POSTS
What is the question? Standard procedure is to squeeze the drain hose to open it up and see if the blockage comes out. Next is to remove the hose, then try to dislodge the debris in the spout.
Mar 5, 2018 at 7:53 AM
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