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| Motivat-ed |
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Hey guys after driving the new car for a bit ive noticed a whining sound coming from the rear so it must be the diff. If so what are the causes for this and how do I go about fixing it?
the car is a ed mont v8 Cheers |
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| bear351c |
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One too many burnouts....
 Usually wear and tear between the crown wheel and pinion gear. Diff gears will need to be 'lapped' together, by a trans specialist. Might be cheaper to find a used diff in an XR8 or similar. But, you could end up with the same (or worse)!! Are you sure its the diff ? Not tailshaft/uni joints or gear box.? Does it happen on corners, under acceleration or decelaration. ? |
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| mick au2 |
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I agree with bear351, if it was the diff, the noise would get gradually worse with speed, does the noise dissapear cornering? How much backlash does it have? A replacement diff/center/axles should be readily available at a friendly wreckers near you.
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| Benno The Viking |
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My EL 6 cyl's LSD made a sort of whirring/low whine sound when turning in a very slow, sharp corner (i.e. when parking in parking lots). When I replaced the diff oil, it stopped, so I assume it was from low oil. Might be worth changing if you can do so at home.
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| Motivat-ed |
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it seems to get louder when accelerating
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| TROYMAN |
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i would check and change the oil first, i would bet the oil in the diff has never been changed..most people overlook the diff oil when servicing..
my au had a whine in the diff and at 250'000km i would expect some diff noise, anyway i drained the oil and it was like black water.lol. replaced it with some decent h/d gear oil and its as good as new.... |
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| Motivat-ed |
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Ill try the oil first before I may have to go spend big money on getting the diff looked at or replaced
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| alfy |
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{USERNAME} wrote: i would check and change the oil first, i would bet the oil in the diff has never been changed..most people overlook the diff oil when servicing.. my au had a whine in the diff and at 250'000km i would expect some diff noise, anyway i drained the oil and it was like black water.lol. replaced it with some decent h/d gear oil and its as good as new.... seconded. being a Fairmont Ghia V8 it probably has a factory LSD? Id give it a nice fresh oil change and a small tube of Nulon G70.
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| Motivat-ed |
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Im unsure if it has a LSD, anyone here know? I havent been under the car yet to have a look around havnt had much time plus its hella hot here
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| TROYMAN |
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if its the v8 ghia you just got it should have a lsd, all ghia's had lsd in e series..
and it should be a 3.27 ratio |
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| Motivat-ed |
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Cheers TROYMAN yeah its the Ghia i just picked up.
The dealership apperently service it before they put any car out in the lot but Ill do a full service on it again anyways, I have some LSD fluid here ill have to check what kind it is first and ill put it up on here to see what you guys think about it |
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| TROYMAN |
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i bet the dealerships idea of a service is just engine oil and filter...
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| Motivat-ed |
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Most likely, it had a K&N filter and now it has the crappy paper filter
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| alfy |
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{USERNAME} wrote: Most likely, it had a K&N filter and now it has the crappy paper filter lol, sounds like a typical dealership service. some bloke thats never seen a K&N Filter before probably just noticed t was dirty and turfed it lol. Or kept it for his own car. one of the two.
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| Stealth6 |
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Dont put a banana in the diff.
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