rogold Posted February 19 Share Posted February 19 I have noticed my engine making a rattling noise lately and getting louder. I thought it was the timing chain rapping against something. I pulled the serpentine belt off and started jiggling all the pulleys. Lo and behold the water pump had lots of movement and rattled when moved around. Funny thing was, I had changed this pump before, roughly 10 years and 10k miles ago, It was a ACDelco unit. Also, it was not seeping out the weep hole. Installed another supposed Delco unit, rattling noise is gone. I guess I should be glad it lasted 10 years, even with the little miles put on it. 4 2 Link to comment Share on other sites More sharing options...
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