My 04 Chevy Trailblazer is constantly blowing cold are out of the top dash vents (defrost vents) and fogging up the windshield. Air blows cold out of all other vents ok. What could this be!

Asked by Aliciaisabela Sep 17, 2013 at 08:27 PM about the 2004 Chevrolet Trailblazer LS RWD

Question type: Maintenance & Repair

Happens during all weather, stays
fogged and can be wiped using
wipers

1 Answer
40,185

James answered 11 years ago

vacuum controlled deflector not moving under dash, maybe lost vacuum at line to engine under hood about 1/8 inch from manifold to in thru firewall

1 people found this helpful.
Mark helpful

Your Answer:

Related Questions

Shortcuts

Search Chevrolet Trailblazer Questions

CarGurus Experts

  • #1
    FJ4072
    Reputation
    7,710
  • #2
    Gene Arnett
    Reputation
    3,180
  • #3
    bigdogracer
    Reputation
    2,760
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Blazer
19 Great Deals out of 899 listings starting at $2,888
Used Chevrolet Equinox
67 Great Deals out of 2,940 listings starting at $2,900
Used Chevrolet Silverado 1500
177 Great Deals out of 5,872 listings starting at $2,975
Used Chevrolet Tahoe
12 Great Deals out of 889 listings starting at $12,900
Used Jeep Grand Cherokee
115 Great Deals out of 3,183 listings starting at $3,995
Used Toyota RAV4
103 Great Deals out of 2,588 listings starting at $3,495
Used Toyota 4Runner
19 Great Deals out of 295 listings starting at $9,995
Used Ford Explorer
79 Great Deals out of 2,097 listings starting at $3,995
Used Chevrolet Colorado
29 Great Deals out of 1,525 listings starting at $5,800
Used Ford F-150
305 Great Deals out of 14,144 listings starting at $1,712
Used Honda CR-V
89 Great Deals out of 4,428 listings starting at $1,695
Used Dodge Durango
50 Great Deals out of 2,250 listings starting at $5,500

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. Content will be removed if CarGurus becomes aware that it violates our policies.