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March 25, 2013 Service bulletin

Discontinuation and mixing of Audi-approved engine coolants

Audi technical service bulletin A191335 2025303- for 1995-2010 Audi A4, 1995-2014 Audi A6 and 2009-2014 Audi Q5 and others.

Bulletin number
A191335 2025303-
Component
Engine and engine cooling
Summary
Supersedes Technical Service Bulletin Group 19 number 11-19 dated February 10, 2011. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service available) has been introduced in MY 2005 for all engines. G13 has been introduced in MY 2008 as factory filling and service.

Owners of these vehicles have filed 1,249 complaints in the engine category.

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