Heating hose diagram?

Tiny
JOHNRUTHIE49
  • MEMBER
  • 1992 CHEVROLET S-10
  • 100,000 MILES
Under dash diagram for heating hose
Saturday, February 21st, 2026 AT 8:25 AM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 15,557 POSTS
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.
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Saturday, February 21st, 2026 AT 11:22 AM

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