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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 Fiat Punto Evo?

Different temperature on both sides of the cabin. Clicking or rattling behind dashboard. Unusual noises when A/C is turned on

Q: How to fix No airflow from specific vents or clicking noise behind dashboard in Fiat Punto Evo?

Replacing a damaged activator. Gear repair kits are available, which allow for repairs without replacing the entire motor. Most actuators in the Punto can be accessed by dismantling the glove compartment (right side) or the covers at the driver's feet. There are 'templates' for cutting the plastic heater casing that allow you to replace the motor without removing the board - saving PLN 1,500 in labor.

in Fiat Punto Evo (2005-2018)

Symptoms

Different temperature on both sides of the cabin
Clicking or rattling behind dashboard
Unusual noises when A/C is turned on

DTC error codes

B1001 - B1008 (Flap motors 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

(199)

Refrigerant: R134a Amount (g): 440g Oil: ND8 PAO 68 lub PAG ISO 46 Oil (ml): 130ml

Evo

Refrigerant: R134a Amount (g): 480g Oil: ND8 PAO 68 lub PAG ISO 46 Oil (ml): 130ml

(188) 1,2 i/1,2 i 16 V/1,9 D

Refrigerant: R134a Amount (g): 525 – 575g Oil: ND8 PAO 68 lub PAG ISO 46 Oil (ml): 130ml

See full specification

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