Troubleshooting HVAC controls
Does anybody have vacuum diagrams for a diesel 240 HVAC system?
I can get heat/no heat with the temp slider.
What I can't do, is change where the air flows (it will only flow through the dash).
Now that it's winter, I need to defrost the windshield.
Is there a vacuum solenoid or something that fails routinely on these systems?
Thanks!
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