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| tiny56 |
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EL 4.0l
i got a wierd noise that appears to be coming from back or middle of car difficult to explain but a type of rummble and at speeds above 20kph noise is constant under load and rolling but gets louder if i swerve left and disappears if i swerve right any ideas?? 
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| benno's ed |
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Sounds like either a rear wheel bearing or planetry gears in the diff centre (if you have an open wheeler)
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| tiny56 |
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its got a 3:45 lsd
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| benno's ed |
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Ok is there a noise when you are going in a straight line or just turning left
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| tiny56 |
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noise in straight line and get louder when i swerve sharply left
turning and braking it seems to not be there |
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| xf_xr6 |
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sounds like the same problem as me.... and my rear wheel bearings are rooted. I'm betting this is your problem too...
I think I am beginning to link this with any pre BA falcon that has copped bit of a hard time - Don't think the bearings appreciate it much |
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| tiny56 |
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well ive jacked it up and spun all wheels - no roughness or noise
took tail shaft out and uni's seem ok so fuked if i know - rear output on auto did have a bit of play so maybe extension housing bush is worn? |
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| joolz |
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Of course it will seem fine as its not under load. Have you checked the diff fluid to make sure its up to level and in good order? Also did you mark the position where the drive shaft mounted onto the diff flange? If not the driveline may have imbalance if bolted back up in the wrong postion.
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| Kit |
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Same sort of thing in mine. Does the rumble stay constant with a dull up and down pitch at 80kmh with econ set to on. Mine does. My wheel bearings are good and the diff is new. Sounds like the auto.
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| tiny56 |
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yes tailshaft was marked and put back in same place
next step i spose is to replace wheel bearings and diff oil 
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| xf_xr6 |
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When you had it jacked up did you check the wheel bearings?
With mine, you can get it to move about 1mm up and down! Can't be doing any favours to the axle / diff centre! |
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| tiny56 |
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im almost certain the prob is front wheel bearings - so im gonna replace em anyway and do front brakes and rotors
doing all this just found my p/s rack is leaking as well
fukin cars dont u luv em there almost as bad as women and houses theres always somit wrong and somit to fix
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