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Old 07-28-2012, 02:56 AM   #1
oaklandish_WRX
Scooby Specialist
 
Member#: 267339
Join Date: Dec 2010
Chapter/Region: BAIC
Location: the 5 n dime, NORCAL
Vehicle:
2002 0[[XXXXoXXXX]]0
MBP

Default A/C o-ring replacement - size changes year to year?

trying to replace the high pressure hose on my 02 - got a good shape used one with o rings still attached.

Also, to be cautious I got OEM o rings (P/N 73039AA030 or PT751093) from subarugenuineparts.com but the OEM rings are much different in size compared to what was on the used hose. Well, different enough to make me suspicious. The ID of the new rings seems too large, and the thickness too small. The old rings seemed to seat into the notches in the hose ends well, filling them. New ones look like they would float in the gap too much or even fall out, the ID is so big. gotta test fit tomorrow am.

Old ring measured about 11 mm ID, 16 mm OD, 2.5 mm thick.

guess I can try the sampler kit from AZ or oreilly/kragans or do these rings swell that much?

halp...
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