heating hose diagram?

1992 CHEVROLET S-10
100,000 MILES
Avatar
JOHNRUTHIE49
under dash diagram for heating hose
Feb 21, 2026 at 8:25 AM
Advertisement
Avatar
STEVE W.
  • ✓ASE Certified Mechanic
  • 15,171 POSTS
  • ASE Certified Mechanic
There are no heater hoses under the dash, did you mean the vacuum control lines for the HVAC system perhaps. Attached is a diagram for those as well as how the system operates.
Image (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Feb 21, 2026 at 11:22 AM
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 Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.