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08-02-2006, 10:13 PM
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FF.Com.Au Hardcore
Join Date: Mar 2005
Posts: 1,212
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G'day All, I was told by a mechanic that the alloy crossmember on AU's supposedly bends if the car is raised by trolley jack there. Fact or fiction?
cheers Bill. |
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08-02-2006, 10:17 PM
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FF.Com.Au Hardcore
Join Date: Jan 2005
Posts: 1,463
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It can break sections of the crossmember. It's alloy, too rigid to bend.
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08-02-2006, 10:26 PM
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they call me Tibbo
Join Date: Dec 2004
Location: Brisbane
Posts: 6,163
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Fiction... as AUXRVIII said it may crack if you dont line the cup up correctly but you could never bend one
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08-02-2006, 10:45 PM
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Back on the road
Join Date: Dec 2004
Location: Wollongong, NSW
Posts: 3,205
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Hope it's not true, i've raised mine with a 3-tonne trolley jack under the x-member more times than I can remember...
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------------------------------------------------------------------------- AU XR8 Ute 13.90 @ 100mph - http://www.aufalcon.com/xr8ute 5L Windsor, GT40X heads, Crane 2030, Pacey 4-1s, Lukey 3", 3.91:1, auto. Tuned by me w/Quarterhorse and BinaryEditor. Coming Soon: Ported lower intake, Tickford "Premium" Brakes, and a good wash. |
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08-02-2006, 10:46 PM
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#5 | ||
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FF.Com.Au Hardcore
Join Date: Mar 2005
Posts: 1,212
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Thanks for the quick replies guys, I have to jack it up and check it out as I have a clunk noise in the front end when turning
cheers Bill. |
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08-02-2006, 10:52 PM
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#6 | |||
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Boost Addict
Join Date: Jan 2005
Location: North Brisbane
Posts: 1,151
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Quote:
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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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08-02-2006, 11:17 PM
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#7 | ||
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FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melb north
Posts: 12,025
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shop manual recomend a block of wood running north south,150 mm long 75 mm wide 38mm deep, with a slot going ACROSS IT 25 mm wide 20 mm from the end and 8 mm deep ,the slot goes toward the back of car, this is recomended for trolley jack support at front. ramps might be an option.
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08-02-2006, 11:31 PM
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#8 | ||
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Regular Member
Join Date: Oct 2005
Posts: 139
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not true it is very ridgid and believe it of not it was designed by a woman engineer at Ford. I have replaced only one for breaking and that was one that hit a bridge colvert at 120klm. it broke the back out of it and took the steering rack and wrapped it around the gearbox, shorting the power wire to the starter and burning the terminal out of the battery.
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08-02-2006, 11:34 PM
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#9 | ||
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Regular Member
Join Date: Oct 2005
Posts: 139
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Thanks for the quick replies guys, I have to jack it up and check it out as I have a clunk noise in the front end when turning
cheers Bill. have a look under the front and see if there is a squashed Commodore parked there. they clunk real bad when they get stuck. |
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09-02-2006, 09:24 AM
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#10 | ||
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Guest
Posts: n/a
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Ok that all about the front of your car , So why do people say don't jack an AU up from the diff
I always jacked my old XR6 VCT from the diff centre |
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09-02-2006, 08:54 PM
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#11 | ||
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Banned
Join Date: Jan 2006
Location: Big concrete/cast iron jungle of the south
Posts: 346
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Alloy is very brittle it will crack before it bends. I hit a gutter at 60kmh in one and it pulled the front end (chassis rails) down with it.
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09-02-2006, 08:58 PM
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#12 | |||
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Ich bin ein auslander
Join Date: May 2005
Location: Loving the Endorphine Machine
Posts: 7,453
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Quote:
I have heard of the IRS diff mounting bushes being damaged when jacking under the diff but then again I have seen a lot of mechanics and tyre places jack late model IRS falcons here.
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Growing old is compulsory, growing up is optional! |
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09-02-2006, 09:57 PM
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#13 | ||
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FF.Com.Au Hardcore
Join Date: Sep 2005
Location: Perth, Western Australia
Posts: 570
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i put a peice of rubber or wood between the cross member and the trolley jack, this helps and also helps raise the car a bit better if you guys know what i mean...sometimes its hard to get started
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01 AUII XLS Regency Red Ute 4.0L Egas Auto Mods -transcooler, tickford intake, K&N pod filter, Pacemakers, 2.5 inch exhaust, Crow Cam, 1981 XD Fairmont 351 - 351 Cleveland, ARP bolts, flat top pistons, Stage 3 Dynotec cam, ported 2V heads with 4V valves, Roller Rockers, Weiand manifold, Mighty Demon, 1/2" fuel lines with blue Holley fuel pump, Crane hi-6 ignition, B&M megashifter, C4, hi-stall, shift kit, 3.77 Ford 9" LSD. Thanks to: EvilChief and SJW Performance |
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09-02-2006, 10:31 PM
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#14 | ||
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FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melb north
Posts: 12,025
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some mechaniks dont know any better and or dont care
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10-02-2006, 03:03 AM
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#15 | |||
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Regular Member
Join Date: Jan 2005
Posts: 339
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Quote:
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10-02-2006, 10:01 PM
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#16 | |||
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FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melb north
Posts: 12,025
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Quote:
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10-02-2006, 11:28 PM
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#17 | |||
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Walking with God
Join Date: Mar 2005
Location: Melbourne
Posts: 7,321
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Quote:
GK |
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12-02-2006, 09:39 PM
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#18 | ||
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Banned
Join Date: Dec 2004
Location: searching for cubes
Posts: 6,672
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Typical of a Gregory's manual - POS. The reason you will NOT find this kind of information in a Ford Workshop Manual is because it says, so I've been told by a Ford Tech, DO NOT JACK VEHICLE UNDER ALLOY CROSS-MEMBER! Ford stipulate lifting the vehicle under the side jacking points ONLY.
PS - My local dealer has seen a few cracked cross-members due to people jacking under them. |
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13-02-2006, 09:55 PM
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#19 | ||
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FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melb north
Posts: 12,025
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t3man your probably right mate ,however not many can afford three hundred odd dollars for a ford (factory manual)
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Trolley jacks bending alloy crossmember AU
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