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Old 02-08-2008, 07:17 PM   #8
Kean
Scooby Guru
 
Member#: 25187
Join Date: Sep 2002
Location: So. CA
Vehicle:
'08 Foz Prem TGM
'10 Challenger R/T Blk

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Quote:
Originally Posted by TurbojonLS View Post
They initially didn't have a radiator cap. The 04+ (maybe 03s as well) all had radiator caps.
......yep, somewhere during the '03 MY. Mine was one of the earlier ones without the cap on the radiator. Replacement was a breeze as Mulder described. It literally just drops in. Extra parts that are needed (if you're interested in keeping it all OEM) includes a metal pipe and two overflow hoses. ......from the TSB:

Quote:
NUMBER: 09-37-03
DATE: 07/15/03

APPLICABILITY: 2002-2003MY Impreza WRX

SUBJECT: New WRX Radiator

INTRODUCTION
If you are replacing the radiator in a WRX with a production date prior to September 2002 you will need to make a few changes. A radiator cap has been added to all new radiators being produced for this model, which requires you to add a new pipe and two hoses.

These items must be ordered and installed as a set when ordering the new radiator.

VEHICLES AFFECTED

STARTING VIN
SEDAN 2*507194
WAGON 2*806590

Production change: September, 2002.

PARTS INFORMATION

The new style radiator has a radiator cap that is incorporated into the top tank. The old style radiator did not have the radiator cap incorporated in the top.

Since the old style radiator was discontinued in production, the new style radiator must be substituted for it. In this situation you must install a new overflow pipe and overflow hose A & B as a set along with the new radiator.

MANUAL TRANSMISSION

RADIATOR 45111AE101
PIPE OVERFLOW 45175FE010
HOSE OVERFLOW B 45162FE010
HOSE OVERFLOW A 45162FE000


AUTOMATIC TRNASMISSION

RADIATOR 45111FE111
PIPE OVERFLOW 45175FE010
HOSE OVERFLOW B 45162FE010
HOSE OVERFLOW A 45162FE000

Install the parts as a set as shown.

CAUTION The new system is provided with two different caps, one on the radiator and one on the pressurized tank as shown in the above table. Accordingly, pay special attention not to mix up those caps. If they are switched, it could cause overheating which may lead to engine failure.
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