Touareg V8-4.2L (BAR) (2007)
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Evaporator Temperature Sensor / Switch: Customer Interest
A/C - Poor Heating/Cooling Performance
87 08 02
Feb 20, 2008
2017305
Affected Models
Condition
A/C Inoperative, Evaporator Temperature Sensor -G308- Damaged or Dislodged
Symptoms can be poor heat, no cooling, or insufficient cooling.
Technical Background
The following evaporator temperature sensor -G308- conditions are known to exist:
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The evaporator temperature sensor -G308- can be dislodged from its mounting.
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The evaporator temperature sensor -G308- temperature (measured) values are incorrect.
Note:
The condition as describe does not compromise visibility.
Production Solution
Final production counter measure pending.
Service
Sensor Mounting
Verify that sensor is installed correctly.
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Remove passenger footwell cover. See Repair Manual Group 70, Interior Trim.
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Inspect for proper installation. Sensor is a "Seat and Turn" design. Turn temperature sensor counter-clockwise approx. 90° then pull to remove.
Sensor Test
1.
Check evaporator temperature sensor values. Use Guided Fault Finding (GFF) in VAS 5051/5052 to access - Climatronic Air Conditioning with 2
