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

67,325

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

Add photo

Related Questions

Search Chevrolet TrailBlazer Questions

Chevrolet TrailBlazer Experts

#1 Tom Demyan
Tom Demyan
Reputation 800
#2 bigdogracer
bigdogracer
Reputation 790
#3 dandyoun
dandyoun
Reputation 620
View All

Related Models For Sale

Used Chevrolet Tahoe
559 Great Deals out of 31,371 listings starting at $1,500
Used Jeep Grand Cherokee
1,024 Great Deals out of 72,253 listings starting at $700
Used GMC Envoy
61 Great Deals out of 2,161 listings starting at $850
Used Chevrolet Silverado 1500
1,773 Great Deals out of 181,200 listings starting at $250
Used Chevrolet TrailBlazer EXT
26 Great Deals out of 977 listings starting at $800
Used Ford Explorer
928 Great Deals out of 70,251 listings starting at $997
Used Chevrolet Impala
591 Great Deals out of 34,068 listings starting at $899
Used Chevrolet Camaro
243 Great Deals out of 31,194 listings starting at $369
Used Chevrolet Blazer
3 Great Deals out of 1,188 listings starting at $1,820
Used Ford F-150
2,055 Great Deals out of 207,336 listings starting at $1,499
Used Dodge Durango
268 Great Deals out of 21,293 listings starting at $1,499
Used Ford Escape
1,431 Great Deals out of 90,837 listings starting at $900

Used Cars For Sale

2007 Chevrolet TrailBlazer LS For Sale
7 Great Deals out of 110 listings starting at $2,500

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.