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Reload this Page Rear Knocking in AU XR6 99 model
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Old 04-08-2007, 11:00 PM   #1
maggaxr6
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Question Rear Knocking in AU XR6 99 model
Gooday guys,
I'm new to this as i have recently just purchased an xr6 105 km's on the clock. Car is in reasonably good nik, it has been lowered, has extractors, and a full exhaust system. Getting used to the clutch which seems to stick a bit but just wondering has any one expierenced a rear knocking whilst sometimes clutching and acceleration? and also if anyone could help me out with some mods to do engine wise to improve performance other then what has been done! cheers!
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Old 04-08-2007, 11:11 PM   #2
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I have been told the Knocking is from Rear worn bushes. Not sure on costs to fix.

Next mods would be Chip or CAI.

Have a read of this... http://www.fordforums.com.au/showthread.php?t=47997
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Old 05-08-2007, 02:17 PM   #3
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Quote:
Originally Posted by JeffAU1
I have been told the Knocking is from Rear worn bushes. Not sure on costs to fix.

Next mods would be Chip or CAI.

Have a read of this... http://www.fordforums.com.au/showthread.php?t=47997
ill have to get the mechanics to check it out
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Old 05-08-2007, 02:59 PM   #4
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Rear shock mounts.
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Old 05-08-2007, 02:59 PM   #5
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Quote:
Originally Posted by Sledgehammer
Rear shock mounts.
if its an XR6VCT that would be my guess too.
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Old 05-08-2007, 03:05 PM   #6
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Could be driveline backlash if it is only happening under acceleration and engaging the clutch.
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Old 05-08-2007, 03:25 PM   #7
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Originally Posted by Casper
if its an XR6VCT that would be my guess too.
not the vct model. ill get sum pics up also
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Old 05-08-2007, 03:30 PM   #8
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Old 05-08-2007, 04:45 PM   #9
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WHy is it only a problem in the VCT's?
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Old 05-08-2007, 04:46 PM   #10
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Originally Posted by XR6Stu
WHy is it only a problem in the VCT's?
VCT had IRS.
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Old 05-08-2007, 07:10 PM   #11
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Also check your wheel bearings, I had an intermittent knock in the rear, thought it was probably the shock mounts which were fine, ended up being one of the rear wheel bearings.
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Old 05-08-2007, 07:11 PM   #12
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Alrighty. Thanks for that, I just found a new lead in my hunt for my tapping noise! I love this forum!
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Old 05-08-2007, 09:09 PM   #13
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was it a manual? can you be a bit more specific in the type of knock because mine is quite frequent?
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Old 09-08-2007, 10:21 PM   #14
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GUYS BIT OF AN UPDATE! had the mechanic check it out and apparently its just the diff with the manuals because of the power he wreckons all the xr6's do it?? i think hes talking crap and doesnt no what the problem is. worth giving it to the racv to do a full vehicle inspection atleast they no what there talking about hopefully?
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Old 09-08-2007, 11:19 PM   #15
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Knocking as the wheels turn...mine turned out today to be fractured rear wheel studs.Lost my darn wheel..Now its fixed and quiet. Just check it for me as its not fun.
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Old 10-08-2007, 09:47 AM   #16
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This is probably relevant to this post. A young mate of mine who owns an AU ute asked me to look at his car last night. He said he had a squeeking noise coming from his back right hand wheel. When I looked at it he had taken a big chip out of his 15 inch mag wheel the size of a 50 cent piece. When he drives it it squeeks like each rotation of the wheel. As in squeek squeek etc. I jacked the car up and could hardly turn the wheel. Any thoughts. Could it be just the rear bearing or do you think it may be a bent agle. He told me later that he had been doing a bit of gutter jumping. Could be an expensive lesson
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Old 10-08-2007, 08:16 PM   #17
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Quote:
Originally Posted by maggaxr6
was it a manual? can you be a bit more specific in the type of knock because mine is quite frequent?
hey mate, i have the exact same problem in my ute which is a manual xr6 vct. most of the time when i take off i can here a knock noise in the rear and sometimes when i change down gears it happens to. i no its nothing to do with the gear box, sounds more like a worn mount somewhere. I havent been able to figure it out yet but i am slowly making all the list of possible problems shorter,
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Old 10-08-2007, 10:23 PM   #18
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Originally Posted by phibza_XR6
hey mate, i have the exact same problem in my ute which is a manual xr6 vct. most of the time when i take off i can here a knock noise in the rear and sometimes when i change down gears it happens to. i no its nothing to do with the gear box, sounds more like a worn mount somewhere. I havent been able to figure it out yet but i am slowly making all the list of possible problems shorter,
mechanic told me it was the diff today, he said it isnt a problem apparently its jst the gears clicking into place when you take off quickly. he wreckons if we put a new diff in it should stop the problem but he wreckons its not worth it because nothing is wrong.
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