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Diff Problems


JB

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  • Member For: 21y 10m 12d
  • Gender: Male
  • Location: brisbane.

had our first diff changed at about 15,000 , same noise"whine at 93 to 100k's".Second diff as bad, told by dealer to let it go for 2,000k's, see what happen's .Now has developed a clunk going from revease to first and whines at 50k's and 120k's ,not that we drive that fast, only under supervision.

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  • Member For: 21y 11m 26d
  • Location: Sydney

[JIMBO,

whats with your diff and what is the latest update on a fix. curious as I have a clunk ]

Jetute, yes I have the clunk. Latest fix the PCM (Powertrain Control module) can be updated with the latest software. It is designed to improve gearshift quality and reduce the driveline clunk. Am booking in mine to get done and will advise outcome.

JIMBO.

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  • Brendan Dennis
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  • Member For: 22y 3m 16d
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  • Location: Melbourne, Vic

Jimbo,

The clunks we are talking about the internal diff clunks and not drive line clunks when changing gear. Although mine is an auto and near the end (just before the change) when rolling to a stop when it dropped into 1st it would give a shunt. In talking to the dealer if it only had the shunt they would not replace it but cos mine had the hard left turn nouse, the wine and the clunk the replaced it.

WhiteTee,

Mate. If yours only has the whine at 90-100Ks then I would leave it till it gets anoying. As if they do not have the tail shaft balancer on hand when they do it you will end up with a new diff with possibly the same problem AND a vibration at 90-100 as well... Your choice. My new one has the whine as well (not as bad). and Im still waiting for the tail shaft to be balanced... :smilielol:

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bdennis,

my new diff is on order too, as I experience a clunk just as I come to a complete stop in my auto (in all likelihood the change down to 1st gear).

did your new diff fix this problem?

Thanks.

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  • Forum Superhero
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  • Member For: 21y 2m 4d
  • Location: Eastern Suburbs of Mexico
Geez guys your scarin me , currently got a new diff on order. Mine has a whine at exactly 95ks only, otherwise ok. Might be better off leaving the blighter as is. Dealer gave me some story about the replacement diffs being made to order and are stronger , hence the 2 week quoted wait.

Probably usual BS that we get fed, anyone else heard this ? :ta:

I think you are being fed the preverbial White Tee, as the service manager showed me the process they go through to order a new one. He said he had placed a call to talk to the manufacturer directly as if they order one it is all done ONLINE no human interaction whatsoever! :ermm:

This was because I asked for the old one to be refitted and they said they could not, this is when they took me through the ordering procedure etc.

He showed me the forms filled out for my new diff online. My suggestion is to hold on to what you have and get the dealer to advise when some form of upgrade has happened. :ta:

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  • Forum Superhero
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  • Member For: 21y 2m 4d
  • Location: Eastern Suburbs of Mexico

Well guys the Service manager just rang to find out how it was going, and I gave him th reply he was expecting :ta:

He told me he has spoken to the manufacturer of the diff himself as Ford are useless. The Manufacturer's first question was whether it was a T and then proceeded to openly admitt they had a problem with only the T diffs as all feedback has been noise at around 95km/h mark.

Wait for it, apparently they are working on an upgraded diff to resolve the problem! The only thing is this could be 3 months away as it is still appparently in development. This means that once it is established then you have testing etc on cars until they clock up a few kays.

The service manager offered to change the diff again, but said I will probably end up with the same thing so they are going to balance the tailshaft and I am going to play it by ear with my diff for now. :(

At this stage this seems to be the only solution unless someone has been given different one, or has any other ideas? :ta:

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  • No boost, no bottle, just my foot on the throttle!
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hmmm.....

I am sure Ford will not offically do a recall on these diffs.

I bet they are going tohate these forums when 3,000+ people ask for the new diff :ta::ta:

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  • Brendan Dennis
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  • Member For: 22y 3m 16d
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  • Location: Melbourne, Vic
bdennis,

my new diff is on order too, as I experience a clunk just as I come to a complete stop in my auto (in all likelihood the change down to 1st gear).

did your new diff fix this problem?

Thanks.

Rabitt,

Mate. Yes you are correct. But this was not the only problem. But yes it had only just started to happen. (not the drive line shunt issue). My car had done 40,000ks by this time.

JB,

Mine has the whine back again. I did hear that they were working on a fix also 96 weeks ago) so I will mention the issue to the dealer again and wait for the new FIX to come before getting it changed again.. (making usre that the can ballance the tail shaft at the same time...>! :o

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  • Member For: 21y 6m 8d
  • Location: Sydney

Yes, mine also has the whine, on a decent road you can hear it as early as 80kph, but by 95kph it's really strong.

Have tried to report it to the local dealer, but as they're in a suburban area, they aren't able to find it...

I must admit, I'm not eager to get this "fixed" - my series I AU XR6 VCT had a bad diff replaced (manufacturing fault I was told) after 18 months, but the replacement only lasted 6 months and turned out to be worse than the original ! :thumbsup:

Having learned my lesson, it will be a while before I consider a replacement Ford diff ! :thumbsup:

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  • 2 weeks later...
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  • Member For: 21y 3m 25d
  • Location: Melbourne

Hmmm.....getting scared now!!!

I have a new diff on order,....however the whine is still low levels so not sure I want to risk getting an unbalanced tailshaft (having finally had the boby vibrations fixed,tyre related) getting it replaced.

Dealer was quick to accept that the diff was faulty, so maybe Ford has admitted internally that its common, in that case good on em'.

Not that I'm complaining, I'm definately not happy with the whine,

My whine's finished!

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