Supersedes Technical Service Bulletin Group 43 number 10-04 dated September 29, 2010
Audi technical service bulletin A431312 2020095- for 2007-2010 Audi Q7.
- Bulletin number
- A431312 2020095-
- Component
- Suspension
- Summary
- Supersedes Technical Service Bulletin Group 43 number 10-04 dated September 29, 2010. The vehicle pulls to one side. The suspension height is uneven and the vehicle is crooked. One wheel location of the suspension is stuck in the raised position. The control system cannot be programmed. DTC's may be stored in address 34. The residual pressure holding valve of an air spring may be stuck closed, not allowing the air spring to reduce its height. This valve's function is to ensure a minimum air spring pressure of 50 psi in the event of a large leak. For example, if an air supply line was severed by road debris, the residual pressure holding valve would keep the air spring from completely deflating.
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