on max a/c air blows out floor vent hard, weak from dash vents; floor vent blows on all settings except defrost..

Asked by us56730801 Sep 25, 2015 at 06:05 PM about the 1991 Chevrolet C/K 2500

Question type: Maintenance & Repair

the diaphragm at the floor vent works as it closes it on defrost mode; what
component would not be closing it on other modes like max a/c?

2 Answers
60,355

Andrew answered 8 years ago

They use a blend door motor, its most likely weak. Make sure the linkage isn't broken. It's under the driver side dash towards the center.

1 people found this helpful.
Mark helpful

Your Answer:

Related Questions

  • on max a/c air blows out floor vent hard, weak from dash vents; floor vent blows on all settings except defrost.. 2 Answers

    the diaphragm at the floor vent works as it closes it on defrost mode; what component would not be closing it on other modes like max a/c?

    1991 Chevrolet C/K 2500

    -

    Maintenance & Repair

  • will a 1994 chevy c/k 2500 cab fit on a 1997 c/k3500 chassis? 2 Answers

    need to replace my cab on my 1997 c3500 and I found a 1994 c2500 will it fit?

    Chevrolet C/K 2500

    -

    Maintenance & Repair

  • Will a 98 k2500 cab and bed fit on a 95 k2500 1 Answer

    I have a 95 k2500 with a completely rotten body but everything else on the truck is brand new basically. I am wondering, before I buy it lol, if a 98 k2500 cab and bed will fit on it. Thank you i...

    1995 Chevrolet C/K 2500 Cheyenne Extended Cab 4WD

    -

    Maintenance & Repair

  • Hard starting 1 Answer

    89 Chevy 2500 5.7. Turn key to on and I can hear fuel pump. Hard to start takes many times before it starts. After starting it runs fine. I did smell gas a couple weeks ago after driving home fro...

    1989 Chevrolet C/K 2500 Silverado Extended Cab LB HD 4WD

    -

    Maintenance & Repair

  • Need to know what is going on with my truck. 1 Answer

    Started out not running when I got it. Turned out the spider injectors burnt up so we replaced them and it ran great for a week. It sat for two days without running, then I went to start it and it...

    2000 Chevrolet C/K 2500 LS Crew Cab HD RWD

    -

    Maintenance & Repair

Shortcuts

Search Chevrolet C/K 2500 Questions

CarGurus Experts

  • #1
    Rowefast
    Reputation
    680
  • #2
    Paul
    Reputation
    310
  • #3
    Andrew Olsen
    Reputation
    280
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet C/K 3500
1 listing
Used Chevrolet C/K 1500
5 listings
Used GMC Sierra 1500
132 Great Deals out of 8,251 listings starting at $3,000
Used Ford F-150
314 Great Deals out of 13,742 listings starting at $3,800
Used Chevrolet Suburban
9 Great Deals out of 537 listings starting at $8,000
Used GMC Sierra 2500
3 listings

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.