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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 Chevrolet Camaro (5th Gen)?

No cold air from vents. Different temperature on both sides of the cabin. Weak or no heating in winter. No blowing from vents

Q: How to fix No airflow from specific vents or clicking noise behind dashboard in Chevrolet Camaro (5th Gen)?

Replacing the cracked mixer flap with a new one (aluminum replacements available). The official procedure requires complete disassembly of the dashboard. WORKSHOP HACK: Cutting out the appropriate 'window' (service window) in the heater housing with a soldering iron or mini-grinder. This allows you to replace the flap without dismantling the entire dashboard. After replacement, the window must be carefully glued with plastic and sealed. Additionally: pulling the HVAC fuse for 60 seconds resets the motor calibration.

in Chevrolet Camaro (5th Gen) (2010-2015)

Symptoms

No cold air from vents
Different temperature on both sides of the cabin
Weak or no heating in winter
No blowing from vents

DTC error codes

HVAC Actuator fault

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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

Standard

Refrigerant: R134a Amount (g): 750g Oil: PAG Oil (ml): - ml

See full specification

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