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knocking sound

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Old 10-15-2012, 01:15 AM
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so at idle and low rpms i can hear a knocking from the passenger side just behind the firewall but cant hear it when under the hood. anyone got an idea of what this may be?
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Old 10-15-2012, 01:47 AM
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Sounds like a flexplate knock to me.
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Old 10-15-2012, 02:14 AM
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Try this:
https://www.cherokeeforum.com/f51/ho...ocking-125547/
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Old 10-16-2012, 12:46 AM
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thanks ill give that a try and see what happens. hopefully its just loose bolts.
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Old 10-19-2012, 10:58 PM
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so i took it apart and tightened the bolts and such and still there is a knocking. no cracks nothing wrond and torqued to spec. anything else that could be the issue?
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Old 10-19-2012, 11:10 PM
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Piston knock most likely, something you shouldn't have to worry about. Can you make a video of the sound?
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Old 10-20-2012, 05:33 AM
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Most likely the solenoid thing for ac/heater
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Old 10-24-2012, 02:36 PM
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ill try to make a video but itll be from my phone so it wont be that good but ill give it a try
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Old 10-24-2012, 08:37 PM
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If you keep the phone a few feet from the engine, it'll do fine. The closer the phone is, the more distorted the sound is.
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