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Old Jan 12th, 2021, 21:26   #14
XC90Mk1
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Quote:
Originally Posted by sye73 View Post
Thanks again to everyone for their comments.
Done some further research/calling around - Quotes to recondition the g'box ranged between "probably not much change from £3k" to "£3-3.5k".
Opinions differed on the replacement of ATF & filter to improve the symptoms. Whilst it can't do any harm (other than the cost), the concensus seemed to be that there is likely to be an underlying issue that will only be masked with fluid change and that a full strip down is probable in the near-medium term.
So, a £3k bill for a £3k car or borrow more and start again with another vehicle..
Before you ‘bin it’ and go for the 3k rebuild just remember this. Generally auto manufacturers specify their own ATF fluid as it is so critically sensitive. It’s not like coolant with a single purpose, the ATF fluid is what drives the gearbox and operates the changes and such like.


Now there is every chance at 180k it’s simply let go and needs the rebuild. Do just bear in mind that if the fluid is badly degraded it WILL cause these actions. Not to say it is, but it certainly could.

If nothing else I would ask a reputable firm not to do the change but to undo the fill plug and ‘dip’ the oil for you to check (if you can’t do it).

If it comes out a bit dark and worn as expected then fine. But if it comes out black and smelling burnt then there is an extremely good chance you could massively improve things (add some stop slip?).

It really is worth paying a garage £40.00 (it won’t be more than that) to check the fluid condition.

When you say people assume the worst I assume this isn’t just the trans people 😳
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