Quote:
Originally Posted by sixness
Hi Wayne, Why did you decide to change the seals in the transmission, was your car doing anything to prompt you to do this? Any codes thrown?
I am asking because the issue I was having which felt like a misfire when cruising at around 110km is more likely to be the transmission hunting between 5 & 6th. I have also notified the car is slow to engage reverse after its been sitting a while. The 6HP26X filter and fluids were changed 40K km ago and this issue only started about 10k km ago. Its more of a occasional annoyance as the car hasn't ever gone into limp mode, it occasionally throws a 4F86 or 4F80 Ratio Monitoring Error.
Did replacing the seals fix your issues?
Cheers
Chris 2005 X5 3.0D 334K km in Oz
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I had a slight leak on the mechatronic seal and since I was opening it up to sort that, I figured I would replace the jump seals and bridge seal too. As you do. No other reason, other than the hope of extending the life of the transmission.
I have some slightly odd behaviour from my trans - it's certainly not perfect but its still pretty good for a trans with over 280,000kms. The hard 2-1 shift has recently become more obvious, it holds second gear way too long and it does seem to hunt a little between 4-5 at low rpm when cold (changes up too soon and engine lacks the torque - so turbo issue?) - might need to sort that soon, although I have yet to decide how I might do that!
But on the whole, it still drives very well and I'm still very happy with it.
I doubt replacing just the seals will fix your issues. I hear that these trans can suffer loss of solenoid performance and respond well to solenoid replacement but I'm not sure of the exact issues at play here.