Audi Air Conditioning

67 models in database based on 134 documented fault patterns based on 411,446 real-world repairs.

Models Audi

A6 (C7)

Weak cabin coolingNo cold air from ventsClicking or rattling behind dashboard

A4 (B9)

Slow loss of refrigerantNo cold air from ventsMusty mold odor from vents

Q5 (8R)

Air conditioning does not turn onNo cold air from ventsFrost or ice on pipes under the hood

A1

No cold air from ventsUnusual noises when A/C is turned onWeak cabin cooling

Q5

Slow loss of refrigerantWeak cabin coolingHissing from vents

Q5 (FY)

Slow loss of refrigerantNo cold air from ventsFrost or ice on pipes under the hood

A3 (8V)

Unusual noises when A/C is turned onSlow loss of refrigerantWeak cabin cooling

A4 (B8)

No cold air from ventsProblem visible at standstill or in trafficWeak cabin cooling

A6 (C6)

Clicking or rattling behind dashboardUnusual noises when A/C is turned onWeak cabin cooling

A3 (8P)

Clicking or rattling behind dashboardUnusual noises when A/C is turned onWeak cabin cooling

A4 (B6)

Clicking or rattling behind dashboardUnusual noises when A/C is turned onNo cold air from vents

A5 (8T)

No cold air from ventsProblem visible at standstill or in traffic

A5 (B9)

Weak cabin coolingUnusual noises when A/C is turned onSlow loss of refrigerant

A6 (C8)

Slow loss of refrigerantUnusual noises when A/C is turned onWeak cabin cooling

Q7 (4M)

Slow loss of refrigerantNo cold air from ventsProblem visible at standstill or in traffic

TT RS

Vibrations or humming after turning on A/CUnusual noises when A/C is turned onNo cold air from vents

A3

Slow loss of refrigerantNo cold air from ventsWeak cabin cooling

A3 (8L)

No cold air from ventsProblem visible at standstill or in trafficAir conditioning stopped cooling / no response to AC button

A3 e-tron

Irregular A/C operationNo blowing from ventsAir conditioning does not turn on

A4 (B7)

Clicking or rattling behind dashboardUnusual noises when A/C is turned onDifferent temperature on both sides of the cabin

A4 allroad

Weak cabin coolingNo cold air from vents

A5 (F5)

Slow loss of refrigerantNo cold air from vents

A6 (C4)

Unusual noises when A/C is turned onHissing from ventsSlow loss of refrigerant

e-tron

No cold air from ventsDifferent temperature on both sides of the cabinWeak or no heating in winter

e-tron (GE)

No cold air from ventsProblem visible at standstill or in traffic

e-tron Sportback (GE)

No cold air from ventsProblem visible at standstill or in traffic

Q7

Weak cabin coolingHissing from ventsMusty mold odor from vents

RS 5

Weak cabin coolingNo cold air from vents

RS3

Vibrations or humming after turning on A/CNo cold air from ventsUnusual noises when A/C is turned on

RS5

No cold air from ventsWeak cabin coolingUnusual noises when A/C is turned on

SQ5

No cold air from ventsProblem visible at standstill or in trafficSlow loss of refrigerant

3.0 TFSI 2013)

No cold air from vents

A3 Cabriolet

No cold air from ventsWeak cabin coolingUnusual noises when A/C is turned on

A4

Slow loss of refrigerant

A4 (B8/8K)

No blowing from ventsFogging windowsFrost or ice on pipes under the hood

A4 (B9/8W)

No cold air from vents

A4 B5

Unusual noises when A/C is turned on

A4 B6/B7

A/C does not react to control panel settings

A4 Cabriolet

No cold air from vents

A5 Cabriolet

No cold air from vents

A5 Sportback

No cold air from vents

A6

Slow loss of refrigerant

A6 (C5)

Different temperature on both sides of the cabinA/C does not react to control panel settings

A6 C5/C6

A/C does not react to control panel settings

A7 (C8)

Weak cabin coolingClicking or rattling behind dashboardFrost or ice on pipes under the hood

A8 (D5)

Weak cabin coolingClicking or rattling behind dashboardFrost or ice on pipes under the hood

A8 L 4.2L

No cold air from ventsA/C does not react to control panel settings

Allroad B9

Weak cabin coolingHissing from ventsMusty mold odor from vents

80 (Typ 89)

Unusual noises when A/C is turned onHissing from ventsSlow loss of refrigerant

Q8

Weak cabin coolingHissing from ventsMusty mold odor from vents

RS3 (2017-2019)

Air conditioning does not turn on

RS3 (2017-2023)

Unusual noises when A/C is turned onVibrations or humming after turning on A/C

S3

No cold air from ventsWeak cabin coolingUnusual noises when A/C is turned on

S4 B8

No cold air from ventsProblem visible at standstill or in traffic

S4 B9

No cold air from ventsWeak cabin cooling

S5 8T

No cold air from ventsProblem visible at standstill or in traffic

S5 B9

No cold air from ventsWeak cabin cooling

S5 Cabriolet

No cold air from vents

S5 Sportback

No cold air from vents

S6 (4G)

Vibrations or humming after turning on A/C

S7 (2019-2022)

Weak cabin coolingClicking or rattling behind dashboardDark sludge or metal shavings in system

S7 (4G)

Vibrations or humming after turning on A/C

SQ5 (FY)

Weak cabin coolingClicking or rattling behind dashboardFrost or ice on pipes under the hood

TT (8J)

No cold air from ventsUnusual noises when A/C is turned on

TT (8N)

Air conditioning stopped cooling / no response to AC button

TT RS (2017-2019)

Air conditioning does not turn on

Wszystkie modele

Frost or ice on pipes under the hoodAir conditioning does not turn on

Common symptoms and faults Audi

A/C does not react to control panel settings
Air conditioning does not turn on
Blower works only on highest speed
Buying a new compressor
Clicking or rattling behind dashboard
Dark sludge or metal shavings in system
Different temperature on both sides of the cabin
Fogging windows
Frost or ice on pipes under the hood
Hissing from vents
Irregular A/C operation
Locating the oxidized section of the cable right next to the compressor, cutting out the damaged section, carefully soldering a new section with heat shrink protection
Musty mold odor from vents
No blowing from vents
No cold air from vents
Problem visible at standstill or in traffic

...and 7 other fault variants.

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Parts & specifications

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