RedSasha Posted July 10, 2014 Share Posted July 10, 2014 I was encouraged to take care of everything while replacing the timing belts on our newer Subaru, the '89.The metal tube inserted nto the water pump has an O-Ring on it. The condition deems replacement is neccessary. The groove that it resides in is square in nature and the O-Ring is now sporting a rectancular cross-section.~Is the O-Ring in question just a 25 year old bit of rubber which is now misshapen OR was this O-Ring originally shaped in a NOT-ROUND manner?Thank you, Gentlemen! Link to comment Share on other sites More sharing options...
joe5 Posted July 10, 2014 Share Posted July 10, 2014 I just did the water pump on mine for the first time. The new one I got was round, not rectangular or flat. Link to comment Share on other sites More sharing options...
mm88swrt Posted July 10, 2014 Share Posted July 10, 2014 What joe5 said. Its just a normal ol O ring. Nice and round. I have a full set of O rings and always just replace it when i tear into the motor Link to comment Share on other sites More sharing options...
TomRhere Posted July 10, 2014 Share Posted July 10, 2014 Just for the record. Subaru part number 806927010 for the O-ring. Link to comment Share on other sites More sharing options...
rdweninger Posted July 10, 2014 Share Posted July 10, 2014 My o-ring developed a leak back in 2001. I coated it with some black rtv for a quick fix. Now, 13 years later, Tom reminds me that I need to order one. 806927010.... 806927010... call dealer now... 806927010 Link to comment Share on other sites More sharing options...
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