A8 Quattro Sedan V8-4.2L (BGK) (2006)
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Radiator: All Technical Service Bulletins
Cooling System - Radiator Coolant Leakage
19 Radiator leaking coolant
19 10 08
2014213/4
July 2, 2010
Supersedes Technical Service Bulletin Group 19 number 08-15 dated November 21, 2008 for reasons listed below.
Affected Vehicles
Condition
Loss of engine coolant from leaking radiator. Low coolant warning light may also be illuminated.
Technical Background
Thermal stress and mechanical vibration causing fracture of radiator body.
Production Solution
Beginning with model year 2007, A8 vehicles are equipped with 4.2L FSI engines instead of 4.2L MPI engines.
An improved radiator is installed at the factory for all 4.2L FSI equipped vehicles.
Service
Remove faulty radiator and install improved radiator with bypass hose.
Necessary steps:
