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Service bulletin 0506

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10018785
Published by NHTSA2006-01-17
Manufacturer's number0506
Manufacturer's date2005-12-05
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

COOLANT LEAKING FROM REAR COOLANT PIPE NIPPLE. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Cooling system

Vehicles listed
AUDI A42002
AUDI A62002

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
Edition922023-02-06. Service bulletin. Idenifying and mixing factory fill engine coolants
AWA-08-032008-07-28. Service bulletin. AUDI SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENGINE COOLANT TEMPERATURE SENSOR WARRANTY EXTENSION FOR CERTAIN 2001-2004 AUDI MODEL YEAR VEHICLES. CSC WAS RECEIVED *PE
05032005-05-19. Service bulletin. COOLANT LEAK OR ON HEAT IN PASSENGER COMPARTMENT. *EH
04062005-02-03. Service bulletin. COOLANT LEAK AT OIL COOLER HOSES. *TT
04012004-10-19. Service bulletin. MAP CONTROLLED ENGINE COOLING THERMOSTAT, SERVICING. AUDI A4 2002-2005 AND AUDI CABRIOLET 2003-2005. *TT