air will only come out the defrost vent and not threw the vent when i switch it to vent

Asked by sharkyjazz82 Apr 23, 2014 at 12:50 PM about the 1998 Ford E-Series E-350 STD Econoline Cargo Van

Question type: Maintenance & Repair

1 Answer

57,955

Most likely, you have a loss of vacuum to the HVAC control head. There's a vacuum line that runs through the Firewall near the heater case. Make sure that it isn't damaged or disconnected. You may need to pull the doghouse for easier access to the tubing at the Intake Manifold.

9 people found this helpful.
Best Answer Mark helpful

Your Answer:

CarGurus Experts

  • #1
    Tracy Hooks
    Reputation
    2,550
  • #2
    Gene Arnett
    Reputation
    1,960
  • #3
    Roadhand13
    Reputation
    1,300
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Express Cargo
11 Great Deals out of 290 listings starting at $5,990
Used Ford Transit Cargo
49 Great Deals out of 1,036 listings starting at $12,000
Used Chevrolet Express
4 Great Deals out of 53 listings starting at $13,988
Used Ford E-Series Chassis
33 listings starting at $14,999
Used GMC Savana Cargo
17 Great Deals out of 341 listings starting at $7,949
Used Ford F-150
301 Great Deals out of 13,535 listings starting at $3,888
Used Ford F-250 Super Duty
24 Great Deals out of 736 listings starting at $3,990
Used GMC Savana
22 listings starting at $13,900
Used Chevrolet Silverado 1500
177 Great Deals out of 7,423 listings starting at $6,995

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