When l turn knob to have air come threw dash vent it only come out of windshild no matter where the knob is set.Can anyone tell me how to fix?Could it be a vacum line leak and if so wheres it located

10

Asked by Aug 07, 2015 at 03:08 PM about the 2002 Chevrolet TrailBlazer LS

Question type: Maintenance & Repair

1 Answer

71,575

The system has lost vacuum. When this happens it defaults to defrost. Look for a disconnected vacuum line coming from the engine going to the firewall. That'll be it. HTH. -Jim

Your Answer

Chevrolet TrailBlazer Experts

  • #1
    bigdogracer
    Reputation
    970
  • #2
    Tom Demyan
    Reputation
    890
  • #3
    tennisshoes
    Reputation
    710
View All

Related Models For Sale

Used Chevrolet Tahoe
785 Great Deals out of 42,029 listings starting at $1,980
Used Jeep Grand Cherokee
975 Great Deals out of 72,138 listings starting at $1,200
Used Chevrolet Silverado 1500
2,461 Great Deals out of 173,362 listings starting at $795
Used GMC Envoy
44 Great Deals out of 2,044 listings starting at $1,900
Used Ford Explorer
1,094 Great Deals out of 70,547 listings starting at $1,000
Used Chevrolet TrailBlazer EXT
6 Great Deals out of 997 listings starting at $2,195
Used Chevrolet Impala
558 Great Deals out of 35,035 listings starting at $1,495
Used Chevrolet Camaro
444 Great Deals out of 31,343 listings starting at $3,550
Used Ford F-150
2,782 Great Deals out of 211,590 listings starting at $1,400
Used Dodge Durango
293 Great Deals out of 23,885 listings starting at $1,999
Used Chevrolet Blazer
3 Great Deals out of 944 listings starting at $950
Used GMC Yukon
578 Great Deals out of 22,417 listings starting at $1,995

Used Cars For Sale

2007 Chevrolet TrailBlazer LS For Sale
5 Great Deals out of 96 listings starting at $2,495

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.