High Priority 99% confidence

Unusual noise and metallic grinding when A/C is on

in Volvo XC70 (2000-2018)

Symptoms

  • Unusual noises when A/C is turned on
  • Hissing from vents

DTC error codes

DTC ECM-250A

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A/C Technical Specifications

Standard

Refrigerant: R134a Amount (g): 535g Oil: PAG PAO 68 lub PAG ISO 46 Oil (ml): 200ml

Standard

Refrigerant: R134a Amount (g): 750 – 850g Oil: PAG PAO 68 lub PAG ISO 46 Oil (ml): 200ml

II

Refrigerant: R134a Amount (g): 800g Oil: PAG PAO 68 lub PAG ISO 46 Oil (ml): 180ml
See full specification

Other problems in XC70

Blower vents emit warm air when A/C is turned on

High Priority

No airflow from specific vents or clicking noise behind dashboard

High Priority

The air conditioning panel has completely turned off (no response)

High Priority

Temperature swings in the cabin and weak cabin cooling (total)

High Priority

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