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No airflow from specific vents or clicking noise behind dashboard

Q: What are the symptoms of No airflow from specific vents or clicking noise behind dashboard in Ford F-250 SUPER DUTY?

Different temperature on both sides of the cabin. Clicking or rattling behind dashboard. Unusual noises when A/C is turned on. A/C does not react to control panel settings

Q: How to fix No airflow from specific vents or clicking noise behind dashboard in Ford F-250 SUPER DUTY?

The cause is broken plastic gears of the blend door actuator or the physical jamming of the flap itself in the heater housing (a phenomenon described in TSB bulletin 23-2115). If the flap itself is jammed, repair requires dismantling the entire dashboard, replacing the flap cams (cam), lubricating the bearing surfaces and securing the drive with a special flocked tape. If the flap moves loosely, it is enough to replace the small motor (activator).

in Ford F-250 SUPER DUTY (2015-2022)

Symptoms

Different temperature on both sides of the cabin
Clicking or rattling behind dashboard
Unusual noises when A/C is turned on
A/C does not react to control panel settings

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Technical diagnosis (Premium)

Recognized technical fault:

Auxiliary controller voltage instability detected

Technical analysis

Detailed analysis of HVAC controller operation parameters, CAN bus data readings, and diagnostic signal waveforms. Purchase PRO access or log in to read the full fault analysis.

Confirmed solution

Complete step-by-step repair procedure including module non-volatile memory reset, sensor calibration, and correct wiring routing. Unlock the full report to see the instruction.

Parts needed

Filters ferrite anti-interference / noise suppressor
Auxiliary starting battery (depending on cell status)

Workshop hacks

Important workshop tips for mechanics regarding bypasses without expensive control module replacement and manufacturer software service bulletins.

TSB / TPI service bulletins

TSB-24-HVAC-01TPI-2068943/2

A/C Technical Specifications

Refrigerant specifications for this model are available in the catalog.

Open refrigerant database

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No airflow from specific vents or clicking noise behind dashboard

Symptoms

A/C Technical Specifications

Other problems in F-250 SUPER DUTY

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