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Jeep Wrangler JK
JK General Discussion
2011 JK is making a chirp noise
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<blockquote data-quote="Anybodyhome" data-source="post: 457698" data-attributes="member: 19161"><p>Have you checked to see if it's one of the bolts, particularly the bottom since that seems to be the source? Perhaps RPMs and tension is turning a bolt? I did some research thru other forums and article and found 2 most likely causes:</p><p>1. Air cavitation- air in the lines. Remember, the reservoir and pump are not a lot unlike your cooling system and the system needs to be air free.</p><p>2. Bad impeller on the pump. I know you said the pump is new, so I'm thinking/hoping it may be the easier one to fix (above).</p><p></p><p>I also read one article that suggested running the engine without the belt and listen for the chirp. Not sure I'd do this, but....</p></blockquote><p></p>
[QUOTE="Anybodyhome, post: 457698, member: 19161"] Have you checked to see if it's one of the bolts, particularly the bottom since that seems to be the source? Perhaps RPMs and tension is turning a bolt? I did some research thru other forums and article and found 2 most likely causes: 1. Air cavitation- air in the lines. Remember, the reservoir and pump are not a lot unlike your cooling system and the system needs to be air free. 2. Bad impeller on the pump. I know you said the pump is new, so I'm thinking/hoping it may be the easier one to fix (above). I also read one article that suggested running the engine without the belt and listen for the chirp. Not sure I'd do this, but.... [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
2011 JK is making a chirp noise
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