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27-10-2015, 08:04 PM
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Right out sideways
Join Date: Dec 2004
Location: Coffs Harbour NSW
Posts: 5,304
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Hi all,
I am presuming this may be the dreaded hub issue, car is AU2 XR8 sedan, auto. I have done some digging on some old threads but I am wondering if it sounds like hub. Left rear knocking sound, not from upper shock I have had that before, but in reverse it makes a very unpleasant grinding and light vibration at slow speeds. I am going to put it on stands over the weekend but just getting prepared. Any thoughts?
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2010 FG XR50 Turbo | 2007 FPV BFII GT, BOSS 302 |
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27-10-2015, 09:01 PM
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#2 | ||
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Au Falcon = Mr Reliable
Join Date: Sep 2009
Location: North West Slopes & Plains NSW
Posts: 4,076
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Does it get louder when turning, a sort of ch ch ch sound getting faster with speed? Cv's ok?
cheer's, Maka
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Ford AU Series Magazine Scans Here - www.fordforums.com.au/photos/index.php?cat=2792 Proud owner of a optioned keeper S1 Tickford Falcon AU XR6 VCT - "it's actually a better-balanced car than the XR8, goes almost as hard and uses about two-thirds of the fuel" (Drive.com 2007) |
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27-10-2015, 10:12 PM
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Right out sideways
Join Date: Dec 2004
Location: Coffs Harbour NSW
Posts: 5,304
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Its only noticable under 10-20kph. At hwy speed nothing and the car feels stable
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2010 FG XR50 Turbo | 2007 FPV BFII GT, BOSS 302 |
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28-10-2015, 12:06 AM
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Spanner Thrower
Join Date: Oct 2013
Location: Parramatta
Posts: 296
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Sounds like handbrake to me. Mine did it for a while before I "fixed" it. (Reefed it up going out of the driveway. Soon stopped.)
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1999 AU Futura Wagon (Nickname Betsie the Barge-***) Current Mods: Fairmont Cluster, LED's Changed to Purple, Lukey Competition Extractors, 2.5" Hi flow Cat, Hi-Stall Converter, ED Box with FG internals, AUIII VCT Fuel Rail + Injectors, F6 Fuel Regulator, Stereo upgrade, Aftermarket LPG. Awaiting Wife Approval Mods: TE50 Front Bar, AU Tickford/SR Interior, Roof Racks, Slimline Weathershields, 2.5" Cat Back Exhaust, 27mm Front Sway Bar, Other Shiny things! |
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28-10-2015, 08:15 AM
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Au Falcon = Mr Reliable
Join Date: Sep 2009
Location: North West Slopes & Plains NSW
Posts: 4,076
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One other thing to be mindful of is when you jack the back end up & spin the wheels looking for wheel or hub runout, is there might not be any wheel wobble but the hub & bearing assembly can be still the issue. That was my issue. I replaced hub bearings, put a full handbrake kit through it & replaced rear disc's on my vct xr6, its quiet now!
It also may be a warped rear disc, knocking could be the handbrake shoe has popped out of the retaining clip, not sure so though. Good luck, maybe some one else will chime in with a more definitive suggestion or answer. cheer's, Maka
__________________
Ford AU Series Magazine Scans Here - www.fordforums.com.au/photos/index.php?cat=2792 Proud owner of a optioned keeper S1 Tickford Falcon AU XR6 VCT - "it's actually a better-balanced car than the XR8, goes almost as hard and uses about two-thirds of the fuel" (Drive.com 2007) |
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30-10-2015, 11:54 AM
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#6 | |||
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Right out sideways
Join Date: Dec 2004
Location: Coffs Harbour NSW
Posts: 5,304
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Quote:
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2010 FG XR50 Turbo | 2007 FPV BFII GT, BOSS 302 |
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23-11-2015, 09:55 AM
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Right out sideways
Join Date: Dec 2004
Location: Coffs Harbour NSW
Posts: 5,304
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I might have to move this car on soon, otherwise I will make hundred of threads in here.
New vibration/shudder. And now that its more evident I realise a less worrying version of it has been there for a while. used to shudder at 1500rpm on deceleration, that was it. I am presuming its the auto, now I get a bad driveline shudder under deceleration under 2500rpm, whole car body resonates. I know its bad to do whilst moving, but I popped it into neutral whilst rolling and the shudder is gone. Will take it to auto trans people, but could this be torque converter or something?
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2010 FG XR50 Turbo | 2007 FPV BFII GT, BOSS 302 |
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Grinding noise AU XR8 rear
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