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Unusual noise and metallic grinding when A/C is on

Q: What are the symptoms of Unusual noise and metallic grinding when A/C is on in Inna Tata Safari Storme?

No cold air from vents. Different temperature on both sides of the cabin. Unusual noises when A/C is turned on

Q: How to fix Unusual noise and metallic grinding when A/C is on in Inna Tata Safari Storme?

Detection of the micro-leak site by a specialist and appropriate sealing of the pipe system in the Safari Storme model.

in Inna Tata Safari Storme

Symptoms

No cold air from vents
Different temperature on both sides of the cabin
Unusual noises when A/C is turned on

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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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