Audi A5, S5, RS 5, 8T (EU)
Transfer case fluid capacity & service interval
Audi A5, S5, RS 5, 8T (EU) models utilize transfer case fluid with a capacity range of 0,5 to 1 liter. The data covers 9 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
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Additional Notes
- All transfer case fluid capacities listed apply to normal use conditions, paired with automatic transmission configurations across the Audi A5, S5, and RS 5 8T range.
- The 0.5 liter capacity figure appears across the majority of configurations, including the A5 2.0 TFSI quattro (155 kW) with engine code CAEB from 2008-2010, the CDNC variant from 2008-2012, all 3.0 TDI quattro variants, the 3.2 FSI quattro, and the S5 4.2 FSI quattro. This value represents a service fill quantity for the transfer box unit sourced from an automatic transmission assembly.
- The A5 2.0 TFSI quattro (155 kW) with engine codes CAEB and CPMA, covering model years 2010-2013, carries a 1 liter transfer case capacity. This is double the 0.5 liter figure specified for the earlier CAEB-only variant from 2008-2010, indicating a difference in transfer box unit design or fill procedure between the two production periods despite sharing the same power output rating.
- The A5 2.0 TFSI quattro (162 kW) from 2012-2016 also specifies a 1 liter transfer case capacity, aligning with the higher-output variant rather than the earlier 155 kW CAEB configuration that shared the same 0.5 liter figure.
- The split between 0.5 liter and 1 liter capacities within the 2.0 TFSI quattro 155 kW family reflects a change tied to engine code generation rather than power output, since both the CAEB (2008-2010) and CAEB/CPMA (2010-2013) variants share the same 155 kW rating yet differ in specified fill volume.
- The S5 4.2 FSI quattro from 2007-2012 shares the 0.5 liter transfer case capacity with the A5 3.2 FSI quattro from the same period, despite the significant difference in engine displacement and configuration between the two models.
- The A5 3.0 TDI quattro appears in two separate power output variants, 155 kW and 176 kW, both specifying 0.5 liter transfer case capacity and both limited to the 2007-2009 production window, with the 176 kW variant further subdivided across 2007-2008 and 2008-2009 year ranges.