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2.4L NA Engine Knock

 
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Old 22 Jul 2009, 12:28 am
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Default 2.4L NA Engine Knock

Ever since I purchased my PT (since 73,000 miles, now has 88,500) the engine has always made a knocking noise. Ive always taken very good care of it, use fully synthetic oil at the proper time intervals, and make sure oil levels are good. My friend, who is a mechanic heard the noise, and said that it sounds like a bad piston rod and that it could be very bad... I will be taken it to his shop to have it inspected.

Does anybody else experience this engine knock at all times? Its been like this ever since I purchased it and I didnt really think much of it until now. Am I at high risk?

Any comments appreciated.

Thanks,

George
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Old 22 Jul 2009, 06:34 am
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Default Re: 2.4L NA Engine Knock

How does he propose inspecting? Taking off oil pan?
Hard to comment without hearing the noise.
Hope your friend is a good mechanic....
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Old 22 Jul 2009, 08:01 am
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Default Re: 2.4L NA Engine Knock

Unless it's really loud, it's probably the piston slap that every PT Cruiser and Neon has.
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Old 22 Jul 2009, 12:58 pm
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Default Re: 2.4L NA Engine Knock

Fuel injectors quite loud and make a deep ticking too. Also seem to recall hearing something about valve tappet lash adjusting not working right and causing a tick.
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Old 22 Jul 2009, 01:44 pm
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Default Re: 2.4L NA Engine Knock

It isnt really loud, but it is audible. I thought it was normal for PT's to have this sound so I wasnt too worried about it. Thanks for your replies guys, they've given me some comfort.
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