My experience has been the seal fails first, and that takes out the bearing, but the opposite can happen too. So, there would be a leak at the pump. Loosen the belts and spin the pulleys by hand to test for smooth spinning. Stuart -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Dan N Sent: Thursday, December 22, 2016 4:21 PM To: vanagon@GERRY.VANAGON.COM Subject: water pump bearing noise hi all, could a water pump make bearing noise (clatter noise) - or alternator bearing - only when the engine is cold? ... I mean during warm up.. The noise went away after about 10 minutes... thanks dan |
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