My 1994 gmc sierra does not blow any air through the vents. the buttons are working but no air is comming out? Any thoughts on where to start?

Asked by Dec 09, 2013 at 10:52 AM about the 1994 GMC Sierra 2500 2 Dr K2500 SL 4WD Standard Cab LB

Question type: Maintenance & Repair

1 Answer

21,685

its not diverting under dash, los of vacuum from engine is common, a small 1/8 line coming threw firewall

Your Answer

GMC Sierra 2500 Experts

  • #1
    Rowefast
    Reputation
    160
  • #2
    tennisshoes
    Reputation
    90
  • #3
    JOHNG123
    Reputation
    60
View All

Related Models For Sale

Used GMC Sierra 1500
1,164 Great Deals out of 66,209 listings starting at $1,750
Used Dodge Ram 2500
157 Great Deals out of 5,253 listings starting at $2,500
Used Ford F-250
431 listings starting at $2,995
Used Ford F-150
2,922 Great Deals out of 215,447 listings starting at $1,295
Used GMC Sierra 3500
5 Great Deals out of 217 listings starting at $9,900
Used Chevrolet C/K 2500
201 listings starting at $5,498
Used Dodge Ram 1500
412 Great Deals out of 10,854 listings starting at $1,499

Used Cars For Sale

2004 GMC Sierra 2500 For Sale
32 listings starting at $5,795
2000 GMC Sierra 2500 For Sale
35 listings starting at $5,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.