Quote:
Originally Posted by TriX5
Sorry to hear about the troubles with the ZF. Are you going to pull it yourself?
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I will be pulling it myself. I wish I could afford to pay someone to work on my cars. Or maybe not, the few times I've taken my cars places, it has not gone well. This is even a shop I used to work at in one instance. And I respect the owner and trust him 100%. Haha. No one takes care of your vehicle like you do. He was wondering why I didn't bring it back as they would have fixed the issue free under warranty. But I just couldn't do it. I even brought him back the failed part (installer error) for him to return under worldpac warranty.
Quote:
Originally Posted by 4.8isX5
've done 75+ ZF trans jobs ranging from the 6hp19 and up. Sub 80K i use Liqui moly toptec 1800 fluid. Over 80K- they all get Redline D4. If you did your mech seals and valvebody, run this fluid.
My 4.8is tranny had issues 2x- first when i bought it to fix it @138k, and 2nd ~20k miles down the road. I don't drive the truck easy and right now at 173k it runs better then the first time i fixed it.
The redline runs a little thicker at temp and the higher mileage cars love it. It's fixed alot of X5's for people who were having minor to moderate issues with trans. My one daily 528xi has 220k OE tranny, and stage 3 XHP trans flash- runs like a bull.
Also- if this is your last ditch effort before swapping trans- do the following-
-Half bottle lucas trans additive
-Rest redline D4 fluid
That took care of 4 6hp's that were having moderate issues that were being pesky, including my own 4.8is.
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Thanks for the input. The e61 got liqui moly 1800 @ 182000 and is awesome. Better shifting than before service.
The e70 got pentosin because it came as part of the pan service kit. Going to swap it out for the Valvoline stuff and see what happens. If that doesn't work, I'll try the redline + Lucas additive. It's all easier than dropping the trans obviously.
