SEAT Leon
Technical specifications of air conditioning and 13 documented fault patterns from real workshop repairs.
Most Common A/C Problems
No heating in the cabin and different temperature from the air vents
High Priority98%
Different temperature on both sides of the cabinWeak or no heating in winterUnusual noises when A/C is turned on
Details
Air conditioning stopped cooling / no response to AC button
High Priority100%
No cold air from vents
Details
A/C works intermittently or cuts out during driving
High Priority94%
No cold air from ventsAir conditioning works intermittentlyWarning light on dashboard
Details
A/C cooling is weak and gradually loses performance
High Priority95%
No cold air from ventsWeak cabin cooling
Details
Air conditioning stopped cooling / no response to AC button
High Priority98%
No cold air from ventsProblem visible at standstill or in trafficA/C does not react to control panel settingsWarning light on dashboard
Details
Unusual noise and metallic grinding when A/C is on
High Priority92%
No cold air from ventsUnusual noises when A/C is turned on
Details
No airflow from specific vents or clicking noise behind dashboard
High Priority92%
No cold air from ventsAir conditioning works intermittentlyAir blows from incorrect ventsClicking or rattling behind dashboard
Details
Unusual noise and metallic grinding when A/C is on
High Priority95%
No cold air from ventsWeak cabin coolingProblem visible at standstill or in trafficAir conditioning works intermittently
Details
Hissing from vents and slow loss of refrigerant
High Priority96%
Weak cabin coolingUnusual noises when A/C is turned onHissing from ventsMusty mold odor from vents
Details
Hissing from vents and slow loss of refrigerant
High Priority90%
Weak cabin coolingIrregular A/C operationHissing from ventsFrost or ice on pipes under the hood
Details
Blower vents emit warm air when A/C is turned on
High Priority95%
No cold air from ventsProblem visible at standstill or in trafficProblem appears while drivingAir conditioning works intermittently
Details
Cabin blower does not work or works only on maximum speed
High Priority95%
No blowing from ventsBlower works only on highest speed
Details
Unusual noise and metallic grinding when A/C is on
High Priority95%
No cold air from ventsProblem visible at standstill or in trafficClicking or rattling behind dashboard
Details
A/C Technical Specifications
| Variant | Refrigerant | Amount (g) | Oil | Oil (ml) |
|---|---|---|---|---|
| IV - (KL) | R1234yf | 430-480g | PAG YF ISO 46 | 120 - 140ml |
| III - (5F) | R134a | 450-500g | PAG 46 | 120 - 140ml |
| II kompresor Denso 7SEU17C | R134a | 500 – 550g | PAG PAO 68 lub PAG ISO 46 | 130 – 150ml |
| II kompresor Sanden PXE16 | R134a | 500 – 550g | PAG PAO 68 lub PAG ISO 46 | 100 – 120ml |
| II kompresor Zexel DSC17E | R134a | 500 – 550g | PAG PAO 68 lub PAG ISO 46 | 105 – 135ml |
| II kompresor Denso 7SEU16C | R134a | 500 – 550g | PAG PAO 68 lub PAG ISO 46 | 180ml |
| Standard | R134a | 750 – 800g | PAG PAO 68 lub PAG ISO 46 | 120 – 150ml |
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Summary
- Documented faults
- 13
- Engine variants
- 7
- Average confidence
- 95%