blower motor only blows through dash vents?

2000 CHEVROLET IMPALA
107,400 MILES • 6 CYL • FWD • AUTOMATIC
Avatar
BIGMOOSE52
  • MEMBER
  • 3 POSTS
My blower motor only blows through dash vents, when I turn on defroster setting. What needs to be fixed?
Sep 8, 2008 at 8:20 AM
Advertisement
Avatar
RHALL77
  • ✓Experienced Mechanic
  • 3,361 POSTS
is it automatic temp controls or manual
Sep 8, 2008 at 8:28 AM
Avatar
BIGMOOSE52
  • MEMBER
  • 3 POSTS
manual controls
Sep 8, 2008 at 8:36 AM
Avatar
PURPLE2462
  • MEMBER
  • 16 POSTS
No answer
Feb 14, 2025 at 8:15 AM
Avatar
STRAILER
  • ✓Experienced Mechanic
  • 55,710 POSTS
This happens when there is a vacuum leak under the hood for the HVAC supply.

Here is a guide to help you fix it:

https://www.2carpros.com/articles/air-vents-stay-in-the-defrost-position

Let us know if you need anything else.

Feb 15, 2025 at 2:31 AM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle