when accelerating the a/c stopsblowing out of the main vents and is diverted to the defrost vents. what is making the vents do this?

Asked by jjgodfrey1 Jun 21, 2014 at 01:17 PM about the 2002 Ford E-Series E-250 Cargo Van

Question type: Maintenance & Repair

4 Answers

199,735

Possibly a Vacuum leak if your damper doors are controlled by vacuum.

9 people found this helpful.
199,735

http://www.ford-trucks.com/forums/1077168-a-c-blower-defaulting-to-the- defrosters.html -- check this out. It will explain how to fix this for you. Hope this helps

37 people found this helpful.

Absolutely a vacuum issue. dandyoun is right. When you accelerate the manifold vacuum drops to a point that the HVAC gets 'confused'

8 people found this helpful.

Your Answer:

Looking for a Used E-Series in your area?

CarGurus has 2,221 nationwide E-Series listings starting at $1,950.

ZIP:

Own this car?

Share your experience with others.

2002 Ford E-Series

Review another car

CarGurus Experts

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

Know more, shop wisely

Search

Related Models For Sale

Used Ford Transit Cargo
479 Great Deals out of 16,838 listings starting at $6,995
Used Chevrolet Express Cargo
315 Great Deals out of 5,016 listings starting at $2,795
Used Chevrolet Express
87 Great Deals out of 1,485 listings starting at $4,999
Used Ford F-150
5,911 Great Deals out of 122,780 listings starting at $1,995
Used Ford E-Series Chassis
61 Great Deals out of 2,466 listings starting at $5,350
Used GMC Savana Cargo
86 Great Deals out of 1,823 listings starting at $1,995
Used Ford F-250 Super Duty
1,386 Great Deals out of 40,030 listings starting at $2,995
Used Chevrolet Silverado 1500
4,058 Great Deals out of 129,459 listings starting at $2,995
Used Mercedes-Benz Sprinter
39 Great Deals out of 2,856 listings starting at $11,000

Used Cars For Sale

2014 Ford E-Series E-250 Cargo Van For Sale
6 Great Deals out of 122 listings starting at $6,995
2013 Ford E-Series E-250 Cargo Van For Sale
14 Great Deals out of 121 listings starting at $5,999
2012 Ford E-Series E-250 Cargo Van For Sale
4 Great Deals out of 96 listings starting at $3,250
2011 Ford E-Series E-250 Cargo Van For Sale
5 Great Deals out of 98 listings starting at $2,988

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.