Blue A/C blend door vacuum hose

Tiny
JOSHUA M BRANDT
  • MEMBER
  • 1992 BUICK PARK AVENUE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 230,000 MILES
I was reading a post that you made about a problem that you had with the blend door for the panel vents involving the vacuum hose. On my vehicle that blue vacuum hose does have a strong vacuum but it was not hooked up and I cannot find where it hooks up. Can you help me?
Tuesday, May 15th, 2018 AT 3:14 PM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 15,233 POSTS
The blue line runs from the back of the AC programmer up near the drivers side and up to the AC/defrost valve about half way up the HVAC case. Remove the isolation panel above the foot well and it is right there. If it came off that part it may be stretched and you will want to trim the end 1/4" or so to get it to grip better.
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Tuesday, May 15th, 2018 AT 7:16 PM

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