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post #1 of 6 (permalink) Old 05-04-2011, 10:54 PM Thread Starter
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Join Date: Dec 2009
Location: Cambridge Ontario
Posts: 4
Rear-end Chassis Noise

2006 Mark LT 4x4.
I’ve been living with an annoying noise in the backend now for some time. I’ve tak’n it to the dealership a couple of times but they can’t pin point the origin of the noise.
Best explanation;
Foward only, under weight transfer.
Taking off from a stop, fast or normal I hear a “popping” noise, almost like “pop””slip””pop” noise. Both dealerships tried to find the noise by place these amplifier mics on the chassis and riding around , moving the mics closer to the loudest area etc.....
The noise is not extremely loud but it’s annoying and i know something is wrong. Sometimes it goes away, especially after i’ve been driving for 2+ hrs.
The truck is under extended warranty, but i don’t have the time to leave my truck at the dealership for a couple of days so they can play around with their little fancy microphones, lol.
I told the guys i would ask around on the net.
Any idea’s????

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post #2 of 6 (permalink) Old 05-05-2011, 12:14 AM
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Join Date: Mar 2008
Location: Maple Ridge, BC
Posts: 743
Slip yoke

VMP and 5-Star tuned no more

Buy a hybrid my truck needs your gas
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post #3 of 6 (permalink) Old 05-07-2011, 12:35 AM
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Join Date: Mar 2011
Location: Eatonia, Saskatchewan
Posts: 192
I was gonna say the same thing as 07rangersport, sounds like your slip yoke.

2007 F-150 FX4
2007 F-150 King Ranch
1989 F-150 XLT
1949 F-1
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post #4 of 6 (permalink) Old 06-01-2011, 09:41 PM Thread Starter
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so far so good. i told the dealer to search known slip yoke problems, sure enough they found a procedure to remove the drive shaft. tight/lube etc.. everything.
bull crap, why am i telling the dealership what to look for????
anyway, thanks guys, i'll let u know if it comes back.

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post #5 of 6 (permalink) Old 06-01-2011, 11:54 PM
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Location: Woodstock, Ont
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Glad it's fixed for you..

but that's only ironic to me..
I took my truck into the dealer and complained to them about a shuttering/viberation when i was towing something..
Told them i was on the interweb doing some searching and heard there was a bulletin about it..

8hrs when i went to pick the truck up. they tell me there is nothing about it.
I have a copy of the bulletin.. they need to shim the drive shaft and center bearing.. just didn't want to throw it in their face as I have lowering shackels and the bulletin won't get preformed if any suspension mods have been done according to ford.

Too bad they lost a customer for either lying to my face (not the first), or not searching enough go the extra mile to try and solve the problem..

I wish everyone wasn't in it for money.. Career, not a job..
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post #6 of 6 (permalink) Old 06-06-2011, 05:35 PM
Join Date: Mar 2010
Location: kapuskasing ontario
Posts: 166
well try to put your suspention back to stock and go and see another dealer about the shims
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