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12-08-2008, 11:13 PM
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#1 | ||
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AU Club Mod
Join Date: Mar 2008
Location: Albury
Posts: 409
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Hey everyone,
my diff was reco'd by ford in feb, its now whining very bad (no i havent done burnouts) when i got my last service i let ford know and they said it was tyre noise coming from the rear not my diff... now my rear tyres are just on the wear indicator and tonight i changed to steelies (with good tread) and took a mate who's pretty good with cars for a drive. When i go over 60 and take my foot off the throttle it whines, when i apply throttle from stand still it whines. So we both agree it must be my diff whining. Now my mate said there is a LSD additive there ment to put in when they replace it? If they haven't done this, could this be the cause as to why my diff maybe stuffed? Thanks, Tom
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13-08-2008, 08:26 AM
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#2 | ||
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[ 5L ]
Join Date: Oct 2005
Location: North Haven, Adelaide
Posts: 2,886
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sounds like they used the wrong diff oil
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[ 5L ] 2001 AU series 2 xr8, 220kw, 5speed, leather interior, premium sound, narooma blue, cat back exhaust, k&n filter,willall edit,MSD coil packs, MSD leads, monroe gt gas shocks, superlow kingsprings 187rwkw (mainline) www.ignitionimages.com
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13-08-2008, 08:32 AM
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Boost Addict
Join Date: Jan 2005
Location: North Brisbane
Posts: 1,151
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wrong diff oil will not automatically cause whining, it will cause increased wear of components, which in cause can lead to whining.
the back off noise at cruise is a classic sign of excess backlash, which means there is too much freeplay between crown and pinion gear. that can be adjusted through shims in the diff itself. continous whining under accel and decel can be caused by diff carrier bearings or wheel bearings in live axels.
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N12 Pulsar - sold Gen1 Liberty Turbo - sold VP Commodore Turbo - sold LN65 Hilux Turbo - sold EL31 Corolla Turbo - sold Ford AU Ute Turbo - sold Ford AU XR8 Sedan - 5.4l V8 Turbo (in the build) Ford BA XR6T Ute - daily driver Ford FG XR6T Sedan - cruiser do you see a general trend? I DO  Can't live with it, can't live without it! |
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13-08-2008, 09:30 AM
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#4 | |||
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RIP...
Join Date: Dec 2004
Posts: 15,524
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Quote:
Most likely a carrier bearing or wheel bearing. Probably wheel bearing considering the diff was rebuilt in Feb.
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. Oval Everywhere... |
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13-08-2008, 09:39 AM
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#5 | ||
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AU Club Mod
Join Date: Mar 2008
Location: Albury
Posts: 409
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Thanks for the help guys... ill just ring ford up and tell them what the go is... and hope they decide to fix it...
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13-08-2008, 10:04 AM
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#6 | ||
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AU Club Mod
Join Date: Mar 2008
Location: Albury
Posts: 409
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Also do you think it would have be making a loud bang noise to do when i apply a fair bit of throttle from take off? Accept that noise appear's to come from the front...
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13-08-2008, 10:28 AM
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#7 | ||
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not here much anymore
Join Date: Dec 2004
Location: Sthn NSW
Posts: 22,918
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Tom is yours auto or manual
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2024 F150 XLT
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13-08-2008, 10:33 AM
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#8 | ||
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AU Club Mod
Join Date: Mar 2008
Location: Albury
Posts: 409
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auto
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13-08-2008, 10:47 AM
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#9 | ||
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not here much anymore
Join Date: Dec 2004
Location: Sthn NSW
Posts: 22,918
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If it clunks when you give it the berries the box may be low on fluid? Does it take ages to slip into gear?
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2024 F150 XLT
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13-08-2008, 10:51 AM
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#10 | ||
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AU Club Mod
Join Date: Mar 2008
Location: Albury
Posts: 409
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it does sometimes, but wouldnt that be caused by the diff if it isnt working correctly?
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13-08-2008, 10:52 AM
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#11 | ||
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not here much anymore
Join Date: Dec 2004
Location: Sthn NSW
Posts: 22,918
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Possibly but if the box is low on fluid it will clunk as it goes into gear and it may be this that is the problem, its difficult to explain, will have a look on sat
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2024 F150 XLT
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13-08-2008, 11:13 AM
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#12 | ||
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AU Club Mod
Join Date: Mar 2008
Location: Albury
Posts: 409
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Sweet, cheers Austin
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13-08-2008, 11:17 AM
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not here much anymore
Join Date: Dec 2004
Location: Sthn NSW
Posts: 22,918
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Quote:
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2024 F150 XLT
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13-08-2008, 11:26 AM
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#14 | ||
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AU Club Mod
Join Date: Mar 2008
Location: Albury
Posts: 409
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lol yea ino
 :
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Diff Question
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