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International Automotive Technicians Network
Re: humm and vibration in dash with a/c on
Posted to HVAC Forum on 11/25/2025

Three compressors ? Are you certain the refrigerant oil level is correct NOW ? Often when I've seen multiple replacements, I've found them grossly overfull. Ensure the line / hose assemblies are OE, routed & secured properly. Not unusual for an aftermarket hos... Login to read more.