rear differential shack! - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 07-23-2012, 01:35 PM Thread Starter
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rear differential shack!

My brother has a 2004 f-150 and it is leaking fluid very slowly but it is still leaking and he has noticed in the past two days a shack starting to develope and we are both wondering what this could be?? any help please!!!!! don't want to destroy the diff

2002 Ford F-350 7.3L
Regular cab
8 ft. bed 4x4
Isspro EV gauges (pyro, trans temp, boost)
6637 Intake with Donaldson B085011
Ts 6 position performance chip
4" downpipe to a side pipe with 5" tip
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post #2 of 6 Old 07-23-2012, 01:47 PM
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Shack????????


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
* 6.4 Banjos
* Repaired FICM by BPD
* Dfuser coolant filter
* Stage1 MTW turbo



New truck has a Cummins and a handshaker
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post #3 of 6 Old 07-23-2012, 01:49 PM Thread Starter
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Originally Posted by 2006PSDSD View Post
Shack????????
shake hahahahahaha

2002 Ford F-350 7.3L
Regular cab
8 ft. bed 4x4
Isspro EV gauges (pyro, trans temp, boost)
6637 Intake with Donaldson B085011
Ts 6 position performance chip
4" downpipe to a side pipe with 5" tip
rmb1393 is offline  
post #4 of 6 Old 07-23-2012, 02:16 PM
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Shaking or chattering? Certain speeds, around corners? The limited slip clutches will chatter when the fluid gets low or the fluid is dirty. That could be it. If it's actually shaking, maybe look at U-joints. I've never heard of a rear end making the truck shake, unless it was right bfore it blew up


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
* 6.4 Banjos
* Repaired FICM by BPD
* Dfuser coolant filter
* Stage1 MTW turbo



New truck has a Cummins and a handshaker
2006PSDSD is offline  
post #5 of 6 Old 07-23-2012, 02:19 PM Thread Starter
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Quote:
Originally Posted by 2006PSDSD View Post
Shaking or chattering? Certain speeds, around corners? The limited slip clutches will chatter when the fluid gets low or the fluid is dirty. That could be it. If it's actually shaking, maybe look at U-joints. I've never heard of a rear end making the truck shake, unless it was right bfore it blew up
the truck doesn't have limited slip and it started around 40-70 mph and now it does it at any speed. and yes you feel a shake

2002 Ford F-350 7.3L
Regular cab
8 ft. bed 4x4
Isspro EV gauges (pyro, trans temp, boost)
6637 Intake with Donaldson B085011
Ts 6 position performance chip
4" downpipe to a side pipe with 5" tip
rmb1393 is offline  
post #6 of 6 Old 07-23-2012, 06:06 PM
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I'd look at the u-joints. Unless you ran the diff empty, I don't see you feeling a vibration in the truck from the rear end. Maybe a bearing whine, but not a shake


2006 F350 SOLD
* KMC XD Monsters wrapped in Hankook ATM's
* 08 style mirrors
* 4" TB exhaust
* SCT X2 with Gearhead, PHP and ID tunes
* Edge Insight CTS
*Full Bulletproof Diesel kit with remote oil cooler
* Blue FPR spring
* 6.4 Banjos
* Repaired FICM by BPD
* Dfuser coolant filter
* Stage1 MTW turbo



New truck has a Cummins and a handshaker
2006PSDSD is offline  
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