05 4.7 noise when accelerating - JeepForum.com

 
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post #1 of 10 Old 12-26-2013, 02:32 PM Thread Starter
volleyxin
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Join Date: Dec 2013
Location: Saskatoon
Posts: 3
05 4.7 noise when accelerating

Hi all. I'm new to the community n just bought my wk couple weeks ago.
the problem is when i put my foot on the gas paddle to accelerate there is a noise coming from the front end. it gets louder as the car go faster. when i let go the gas the noise is complete gone. there is no noise when the car is parked or in neutral reving.i notice that my muffler is leaking but the noise is coming from the front end.my jeep is a 05 laredo v8 4.7l.please help!!
here is the youtube link:


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post #2 of 10 Old 12-26-2013, 11:22 PM
94jeepman
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2005 WK 
 
Join Date: Apr 2011
Location: rapid city
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That is weird I probably won't be much help here but I'd say check all the pulleys and the clutch fan
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post #3 of 10 Old 12-26-2013, 11:29 PM
RedWagon1006
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2005 WK 
 
Join Date: Mar 2013
Location: Raleigh
Posts: 42
How many miles did the vehicle have on it when you bought it? Does it also do this when starting? I almost want to say that an engine mount might be going out, but don't quote me on that. My WK has a number of peculiar rattles and vibrations that come with age and miles, but nothing quite like that.
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post #4 of 10 Old 12-27-2013, 06:16 AM
tom19511
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2014 WK 
 
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x2 on pulleys... if not front diff or driveshaft..

Tom

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post #5 of 10 Old 12-27-2013, 07:12 AM
94jeepman
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2005 WK 
 
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I'd check your diff, drive shift and cv shafts I wouldn't think it would be your pulleys now after re reading your original post
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post #6 of 10 Old 12-27-2013, 10:31 AM
EasternPA
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2005 WK 
 
Join Date: Aug 2012
Location: Yardley
Posts: 132
That "wa wa wa" at 13 seconds made me think transmission.
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post #7 of 10 Old 12-27-2013, 12:46 PM Thread Starter
volleyxin
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Location: Saskatoon
Posts: 3
Thanks for the replays.i bought the car at a good price two weeks ago.it was like that when i bought it and has 160k km(100k miles) on it.
there is no noise when starting or on 4x4(low). i will check the pulleys, front diff,and drive shift.
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post #8 of 10 Old 03-06-2014, 11:03 AM
GrandDubai
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2009 JK Wrangler 
 
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Location: Dubai
Posts: 56
Hey there Volleyxin,
Did you ever figure this out?
I gave the exact same issue
Thanks
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post #9 of 10 Old 03-08-2014, 01:31 AM
lvfd404
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2008 KK Liberty 
 
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Location: Chester
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I had noise like that - ended up being plastic skid bolts not tight and air from driving made it shake and wobble making a very similar sound...
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post #10 of 10 Old 03-27-2014, 05:08 PM Thread Starter
volleyxin
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Join Date: Dec 2013
Location: Saskatoon
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hi @GrandDubai
took the car to the dealership a while ago and they confirmed that noise is coming from the front diff.
and i just got back from my trip to China
i will change the gear oil in the front diff first since its getting less noise when the weather is warmer.
and have you noticed that noise sometimes comes back right b4 a complete stop eventhough the foot is on the brake.
have you figured out yours? i will keep updated
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