Valve train noise ? - JeepForum.com

 
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post #1 of 6 Old 07-27-2013, 10:52 AM Thread Starter
Gav'spurplez
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Join Date: Nov 2006
Location: Elgin IL
Posts: 513
Valve train noise ?

Hey all,

My g/f has a 2007 Patriot Sport 2.4L 4wd and she mentioned a "fan" noise the other day.
So this morning when she started it, I was under the hood listening for a "fan" noise. after the idle dropped i could hear a faint valve train type noise.
I removed the engine cover and had her rev the engine... I could hear it louder with higher RPMs and it seemed to be coming from the passenger side of the engine.

Has anyone experience any issues ? the jeep has 82,533 miles on it.
I have personally changed the oil every 3K miles with full synthetic. Yes, should bought the jeep new.

is there some sort of maintenance that I may have missed ?

any information or experiences would be great.... i tried a google search but did not come up with anything.


1998 Camaro Z/28
1 of 95 in Bright Purple Met.
Basic bolt-ons and 17in DRs.
1999 Wrangler Sport - SOLD
2009 Nissan Frontier Pro-4X
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post #2 of 6 Old 07-28-2013, 08:54 AM
FujativeOCR
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2011 MK Patriot 
 
Join Date: Aug 2011
Location: Newfoundland
Posts: 884
They say the cvt whines when it's coming due for a fluid change. Not sure if it does it idleing though.
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post #3 of 6 Old 07-28-2013, 09:37 PM Thread Starter
Gav'spurplez
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Location: Elgin IL
Posts: 513
this is not a whining noise.

1998 Camaro Z/28
1 of 95 in Bright Purple Met.
Basic bolt-ons and 17in DRs.
1999 Wrangler Sport - SOLD
2009 Nissan Frontier Pro-4X
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post #4 of 6 Old 08-25-2013, 09:51 PM Thread Starter
Gav'spurplez
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Join Date: Nov 2006
Location: Elgin IL
Posts: 513
forgot about this thread.
for those of you who may encounter this noise / problem in the future....it turned out to be the alternator.

the internal clutches were broken apart and it was spitting out dust particles as the vehicle was running.
apparently a common problem with chrysler products.

1998 Camaro Z/28
1 of 95 in Bright Purple Met.
Basic bolt-ons and 17in DRs.
1999 Wrangler Sport - SOLD
2009 Nissan Frontier Pro-4X
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post #5 of 6 Old 08-25-2013, 10:18 PM
FujativeOCR
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2011 MK Patriot 
 
Join Date: Aug 2011
Location: Newfoundland
Posts: 884
^because alternators haven't been around long enough yet for them to get it right :-/
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post #6 of 6 Old 10-13-2013, 09:14 AM
carlsonr
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Join Date: Oct 2013
Location: tucson
Posts: 12
sorry there is no internal clutches, however there is brushes which wear on all alternators not just Chrysler.
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