noise under hard accel - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 03-11-2012, 05:04 PM Thread Starter Rookie
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noise under hard accel

I have an 04' EX. Under hard excel above 50mph only there is a noise that comes from the rear end (almost a vibration but not quite). Normal driving there is nothing and below 50mph there is no noise either. I was thinking the diff... maybe, but it is only at higher speeds which I don't get. It's not related to engine rpm... just road speed. Any ideas?


04' EX 4x4 Limited, 6" ProComp suspension, Warn heavy duty front bumper with M15k, 84" Safari rack, MT 36/15.5/16 on MT 12/16's, 4" MBRP turbo back exhaust with 5" tip, Edge CTS Evolution monitor, STCx3 Extreme Street tuner, Blue fuel spring, ARP head studs, EGR delete, Coolant filter, 6.4 banjo bolts, Garrett PowerMax Turbo...
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post #2 of 3 Old 03-20-2012, 04:36 PM
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Mine does the same. I hope someone can help lol

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post #3 of 3 Old 04-03-2012, 11:29 AM
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did you check the ujoints?? and do the excursions have carrier bearings?

2002 F150 4.6L AUTO RCSB

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