Impreza RS Coupe AWD F4-2.5L SOHC (1999)
Technical Service Bulletin # WWP-99
Date: 040201
Campaign - Engine Cylinder Head Coolant Leaks
NUMBER: WWP-99
DATE: 02/2004
APPLICABILITY:
2000-2002MY Subaru Legacy and Outback;
1999-2002MY Impreza; 1999-2002MY Forester
SUBJECT:
Engine Cooling System Conditioner
INTRODUCTION
Subaru of America, Inc. (SOA) has determined that over time, affected vehicles may develop small external coolant leaks at engine cylinder head gaskets
. This is the result of normal expansion and contraction of engine components caused by the heating and cooling of these parts. To prevent cylinder head
gasket leaks from developing or to correct existing leaks, a special Subaru Cooling System Conditioner should be added to affected vehicle cooling
systems.
This Service Program will involve adding one bottle of Genuine Subaru Cooling System Conditioner to the engine cooling system.
AFFECTED VEHICLES
2000-2002 MY Subaru Legacy and Outback with 2.5L engine.
1999-2002 MY Impreza with 2.5L engine.
1999-2002 MY Forester with 2.5L engine.
Affected vehicles are identified in the VIN range chart below. Only vehicles with a 2.5L engine are affected.
NOTE:
Prior to performing repairs, confirm coverage for potentially affected vehicles by using the Vehicle Coverage Inquiry in the Dealer Communication
System (DCS).
Vehicles identified in the preceding chart may include VINs that were not distributed in the U.S. market. Dealers will be provided a list of VINs that
include the owner name and address. This information will enable dealers follow-up with owners of potentially affected vehicles. These listings contain
owners names and addresses obtained from State Motor Vehicle Registration Records. The use of such motor vehicle registration data for any other
